diff --git a/README.txt b/README.txt
index e7cff96..db2dcf6 100644
--- a/README.txt
+++ b/README.txt
@@ -1,5 +1,5 @@
 XStatic-Bootstrap-SCSS
---------------
+----------------------
 
 Bootstrap style library packaged for setuptools (easy_install) / pip.
 
diff --git a/UPGRADING b/UPGRADING
new file mode 100644
index 0000000..7ab8892
--- /dev/null
+++ b/UPGRADING
@@ -0,0 +1,11 @@
+In order to upgrade this package, it's currently easiest to follow those steps:
+
+Checkout https://github.com/twbs/bootstrap-sass and enter the directory.
+Check the hash of the version of bootstrap-scss that you want to build in
+https://github.com/twbs/bootstrap repository.
+Run "rake -v convert[the-hash-of-the-commit]".
+Copy all files from assets/javascripts to data/js.
+Copy all files from assets/fonts to data/fonts.
+Copy all files from assets/stylesheets to data/scss.
+Bump the version in __init__.py and run xstatic-release.
+Commit the new files.
diff --git a/setup.cfg b/setup.cfg
index 36a3fc4..b0d0c75 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,10 +1,10 @@
 [metadata]
 name = XStatic-Bootstrap-SCSS
-description = Bootstrap-SCSS 3.3.7 (XStatic packaging standard)
+description = Bootstrap-SCSS 3.4.1.0 (XStatic packaging standard)
 description-file = README.rst
 maintainer = Radomir Dopieralski
 maintainer-email = openstack@sheep.art.pl
-home-page = http://getbootstrap.com/
+home-page = https://github.com/twbs/bootstrap-sass
 keywords = bootstrap_scss xstatic
 license = MIT
 zip_safe = False
diff --git a/xstatic/pkg/bootstrap_scss/__init__.py b/xstatic/pkg/bootstrap_scss/__init__.py
index e6fd0de..716fb30 100644
--- a/xstatic/pkg/bootstrap_scss/__init__.py
+++ b/xstatic/pkg/bootstrap_scss/__init__.py
@@ -11,9 +11,9 @@ NAME = __name__.split('.')[-1] # package name (e.g. 'foo' or 'foo_bar')
                                # please use a all-lowercase valid python
                                # package name
 
-VERSION = '3.3.7' # version of the packaged files, please use the upstream
+VERSION = '3.4.1' # version of the packaged files, please use the upstream
                   # version number
-BUILD = '1' # our package build number, so we can release new builds
+BUILD = '0' # our package build number, so we can release new builds
             # with fixes for xstatic stuff.
 PACKAGE_VERSION = VERSION + '.' + BUILD # version used for PyPi
 
@@ -28,7 +28,7 @@ MAINTAINER = 'Radomir Dopieralski'
 MAINTAINER_EMAIL = 'openstack@sheep.art.pl'
 
 # this refers to the project homepage of the stuff we packaged:
-HOMEPAGE = 'http://getbootstrap.com/'
+HOMEPAGE = 'https://github.com/twbs/bootstrap-sass'
 
 # this refers to all files:
 LICENSE = 'MIT'
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap-sprockets.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap-sprockets.js
index fb01d63..37468b3 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap-sprockets.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap-sprockets.js
@@ -1,12 +1,12 @@
-//= require ./bootstrap/transition
+//= require ./bootstrap/affix
 //= require ./bootstrap/alert
 //= require ./bootstrap/button
 //= require ./bootstrap/carousel
 //= require ./bootstrap/collapse
 //= require ./bootstrap/dropdown
 //= require ./bootstrap/modal
-//= require ./bootstrap/tab
-//= require ./bootstrap/affix
 //= require ./bootstrap/scrollspy
+//= require ./bootstrap/tab
+//= require ./bootstrap/transition
 //= require ./bootstrap/tooltip
 //= require ./bootstrap/popover
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap.js
index 8a2e99a..170bd60 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap.js
@@ -1,6 +1,6 @@
 /*!
- * Bootstrap v3.3.7 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under the MIT license
  */
 
@@ -17,10 +17,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: transition.js v3.3.7
- * http://getbootstrap.com/javascript/#transitions
+ * Bootstrap: transition.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#transitions
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -28,7 +28,7 @@ if (typeof jQuery === 'undefined') {
 +function ($) {
   'use strict';
 
-  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
+  // CSS TRANSITION SUPPORT (Shoutout: https://modernizr.com/)
   // ============================================================
 
   function transitionEnd() {
@@ -50,7 +50,7 @@ if (typeof jQuery === 'undefined') {
     return false // explicit for ie8 (  ._.)
   }
 
-  // http://blog.alexmaccaw.com/css-transitions
+  // https://blog.alexmaccaw.com/css-transitions
   $.fn.emulateTransitionEnd = function (duration) {
     var called = false
     var $el = this
@@ -77,10 +77,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: alert.js v3.3.7
- * http://getbootstrap.com/javascript/#alerts
+ * Bootstrap: alert.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#alerts
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -96,7 +96,7 @@ if (typeof jQuery === 'undefined') {
     $(el).on('click', dismiss, this.close)
   }
 
-  Alert.VERSION = '3.3.7'
+  Alert.VERSION = '3.4.1'
 
   Alert.TRANSITION_DURATION = 150
 
@@ -109,7 +109,8 @@ if (typeof jQuery === 'undefined') {
       selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
     }
 
-    var $parent = $(selector === '#' ? [] : selector)
+    selector    = selector === '#' ? [] : selector
+    var $parent = $(document).find(selector)
 
     if (e) e.preventDefault()
 
@@ -172,10 +173,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: button.js v3.3.7
- * http://getbootstrap.com/javascript/#buttons
+ * Bootstrap: button.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#buttons
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -192,7 +193,7 @@ if (typeof jQuery === 'undefined') {
     this.isLoading = false
   }
 
-  Button.VERSION  = '3.3.7'
+  Button.VERSION  = '3.4.1'
 
   Button.DEFAULTS = {
     loadingText: 'loading...'
@@ -298,10 +299,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: carousel.js v3.3.7
- * http://getbootstrap.com/javascript/#carousel
+ * Bootstrap: carousel.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#carousel
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -329,7 +330,7 @@ if (typeof jQuery === 'undefined') {
       .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
   }
 
-  Carousel.VERSION  = '3.3.7'
+  Carousel.VERSION  = '3.4.1'
 
   Carousel.TRANSITION_DURATION = 600
 
@@ -443,7 +444,9 @@ if (typeof jQuery === 'undefined') {
     var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
     if ($.support.transition && this.$element.hasClass('slide')) {
       $next.addClass(type)
-      $next[0].offsetWidth // force reflow
+      if (typeof $next === 'object' && $next.length) {
+        $next[0].offsetWidth // force reflow
+      }
       $active.addClass(direction)
       $next.addClass(direction)
       $active
@@ -505,10 +508,17 @@ if (typeof jQuery === 'undefined') {
   // =================
 
   var clickHandler = function (e) {
-    var href
     var $this   = $(this)
-    var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+    var href    = $this.attr('href')
+    if (href) {
+      href = href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
+    }
+
+    var target  = $this.attr('data-target') || href
+    var $target = $(document).find(target)
+
     if (!$target.hasClass('carousel')) return
+
     var options = $.extend({}, $target.data(), $this.data())
     var slideIndex = $this.attr('data-slide-to')
     if (slideIndex) options.interval = false
@@ -536,10 +546,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: collapse.js v3.3.7
- * http://getbootstrap.com/javascript/#collapse
+ * Bootstrap: collapse.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#collapse
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -567,7 +577,7 @@ if (typeof jQuery === 'undefined') {
     if (this.options.toggle) this.toggle()
   }
 
-  Collapse.VERSION  = '3.3.7'
+  Collapse.VERSION  = '3.4.1'
 
   Collapse.TRANSITION_DURATION = 350
 
@@ -674,7 +684,7 @@ if (typeof jQuery === 'undefined') {
   }
 
   Collapse.prototype.getParent = function () {
-    return $(this.options.parent)
+    return $(document).find(this.options.parent)
       .find('[data-toggle="collapse"][data-parent="' + this.options.parent + '"]')
       .each($.proxy(function (i, element) {
         var $element = $(element)
@@ -697,7 +707,7 @@ if (typeof jQuery === 'undefined') {
     var target = $trigger.attr('data-target')
       || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
 
-    return $(target)
+    return $(document).find(target)
   }
 
 
@@ -749,10 +759,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: dropdown.js v3.3.7
- * http://getbootstrap.com/javascript/#dropdowns
+ * Bootstrap: dropdown.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#dropdowns
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -769,7 +779,7 @@ if (typeof jQuery === 'undefined') {
     $(element).on('click.bs.dropdown', this.toggle)
   }
 
-  Dropdown.VERSION = '3.3.7'
+  Dropdown.VERSION = '3.4.1'
 
   function getParent($this) {
     var selector = $this.attr('data-target')
@@ -779,7 +789,7 @@ if (typeof jQuery === 'undefined') {
       selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
     }
 
-    var $parent = selector && $(selector)
+    var $parent = selector !== '#' ? $(document).find(selector) : null
 
     return $parent && $parent.length ? $parent : $this.parent()
   }
@@ -915,10 +925,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: modal.js v3.3.7
- * http://getbootstrap.com/javascript/#modals
+ * Bootstrap: modal.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#modals
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -930,15 +940,16 @@ if (typeof jQuery === 'undefined') {
   // ======================
 
   var Modal = function (element, options) {
-    this.options             = options
-    this.$body               = $(document.body)
-    this.$element            = $(element)
-    this.$dialog             = this.$element.find('.modal-dialog')
-    this.$backdrop           = null
-    this.isShown             = null
-    this.originalBodyPad     = null
-    this.scrollbarWidth      = 0
+    this.options = options
+    this.$body = $(document.body)
+    this.$element = $(element)
+    this.$dialog = this.$element.find('.modal-dialog')
+    this.$backdrop = null
+    this.isShown = null
+    this.originalBodyPad = null
+    this.scrollbarWidth = 0
     this.ignoreBackdropClick = false
+    this.fixedContent = '.navbar-fixed-top, .navbar-fixed-bottom'
 
     if (this.options.remote) {
       this.$element
@@ -949,7 +960,7 @@ if (typeof jQuery === 'undefined') {
     }
   }
 
-  Modal.VERSION  = '3.3.7'
+  Modal.VERSION = '3.4.1'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
@@ -966,7 +977,7 @@ if (typeof jQuery === 'undefined') {
 
   Modal.prototype.show = function (_relatedTarget) {
     var that = this
-    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
+    var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
 
     this.$element.trigger(e)
 
@@ -1057,8 +1068,8 @@ if (typeof jQuery === 'undefined') {
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
         if (document !== e.target &&
-            this.$element[0] !== e.target &&
-            !this.$element.has(e.target).length) {
+          this.$element[0] !== e.target &&
+          !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
@@ -1160,7 +1171,7 @@ if (typeof jQuery === 'undefined') {
     var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
 
     this.$element.css({
-      paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
+      paddingLeft: !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
       paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
     })
   }
@@ -1185,11 +1196,26 @@ if (typeof jQuery === 'undefined') {
   Modal.prototype.setScrollbar = function () {
     var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
     this.originalBodyPad = document.body.style.paddingRight || ''
-    if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
+    var scrollbarWidth = this.scrollbarWidth
+    if (this.bodyIsOverflowing) {
+      this.$body.css('padding-right', bodyPad + scrollbarWidth)
+      $(this.fixedContent).each(function (index, element) {
+        var actualPadding = element.style.paddingRight
+        var calculatedPadding = $(element).css('padding-right')
+        $(element)
+          .data('padding-right', actualPadding)
+          .css('padding-right', parseFloat(calculatedPadding) + scrollbarWidth + 'px')
+      })
+    }
   }
 
   Modal.prototype.resetScrollbar = function () {
     this.$body.css('padding-right', this.originalBodyPad)
+    $(this.fixedContent).each(function (index, element) {
+      var padding = $(element).data('padding-right')
+      $(element).removeData('padding-right')
+      element.style.paddingRight = padding ? padding : ''
+    })
   }
 
   Modal.prototype.measureScrollbar = function () { // thx walsh
@@ -1207,8 +1233,8 @@ if (typeof jQuery === 'undefined') {
 
   function Plugin(option, _relatedTarget) {
     return this.each(function () {
-      var $this   = $(this)
-      var data    = $this.data('bs.modal')
+      var $this = $(this)
+      var data = $this.data('bs.modal')
       var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
 
       if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
@@ -1219,7 +1245,7 @@ if (typeof jQuery === 'undefined') {
 
   var old = $.fn.modal
 
-  $.fn.modal             = Plugin
+  $.fn.modal = Plugin
   $.fn.modal.Constructor = Modal
 
 
@@ -1236,10 +1262,13 @@ if (typeof jQuery === 'undefined') {
   // ==============
 
   $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
-    var $this   = $(this)
-    var href    = $this.attr('href')
-    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
-    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
+    var $this = $(this)
+    var href = $this.attr('href')
+    var target = $this.attr('data-target') ||
+      (href && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+
+    var $target = $(document).find(target)
+    var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
 
     if ($this.is('a')) e.preventDefault()
 
@@ -1255,18 +1284,148 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: tooltip.js v3.3.7
- * http://getbootstrap.com/javascript/#tooltip
+ * Bootstrap: tooltip.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
-
 +function ($) {
   'use strict';
 
+  var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']
+
+  var uriAttrs = [
+    'background',
+    'cite',
+    'href',
+    'itemtype',
+    'longdesc',
+    'poster',
+    'src',
+    'xlink:href'
+  ]
+
+  var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
+
+  var DefaultWhitelist = {
+    // Global attributes allowed on any supplied element below.
+    '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+    a: ['target', 'href', 'title', 'rel'],
+    area: [],
+    b: [],
+    br: [],
+    col: [],
+    code: [],
+    div: [],
+    em: [],
+    hr: [],
+    h1: [],
+    h2: [],
+    h3: [],
+    h4: [],
+    h5: [],
+    h6: [],
+    i: [],
+    img: ['src', 'alt', 'title', 'width', 'height'],
+    li: [],
+    ol: [],
+    p: [],
+    pre: [],
+    s: [],
+    small: [],
+    span: [],
+    sub: [],
+    sup: [],
+    strong: [],
+    u: [],
+    ul: []
+  }
+
+  /**
+   * A pattern that recognizes a commonly useful subset of URLs that are safe.
+   *
+   * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+   */
+  var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi
+
+  /**
+   * A pattern that matches safe data URLs. Only matches image, video and audio types.
+   *
+   * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+   */
+  var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+/]+=*$/i
+
+  function allowedAttribute(attr, allowedAttributeList) {
+    var attrName = attr.nodeName.toLowerCase()
+
+    if ($.inArray(attrName, allowedAttributeList) !== -1) {
+      if ($.inArray(attrName, uriAttrs) !== -1) {
+        return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))
+      }
+
+      return true
+    }
+
+    var regExp = $(allowedAttributeList).filter(function (index, value) {
+      return value instanceof RegExp
+    })
+
+    // Check if a regular expression validates the attribute.
+    for (var i = 0, l = regExp.length; i < l; i++) {
+      if (attrName.match(regExp[i])) {
+        return true
+      }
+    }
+
+    return false
+  }
+
+  function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
+    if (unsafeHtml.length === 0) {
+      return unsafeHtml
+    }
+
+    if (sanitizeFn && typeof sanitizeFn === 'function') {
+      return sanitizeFn(unsafeHtml)
+    }
+
+    // IE 8 and below don't support createHTMLDocument
+    if (!document.implementation || !document.implementation.createHTMLDocument) {
+      return unsafeHtml
+    }
+
+    var createdDocument = document.implementation.createHTMLDocument('sanitization')
+    createdDocument.body.innerHTML = unsafeHtml
+
+    var whitelistKeys = $.map(whiteList, function (el, i) { return i })
+    var elements = $(createdDocument.body).find('*')
+
+    for (var i = 0, len = elements.length; i < len; i++) {
+      var el = elements[i]
+      var elName = el.nodeName.toLowerCase()
+
+      if ($.inArray(elName, whitelistKeys) === -1) {
+        el.parentNode.removeChild(el)
+
+        continue
+      }
+
+      var attributeList = $.map(el.attributes, function (el) { return el })
+      var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])
+
+      for (var j = 0, len2 = attributeList.length; j < len2; j++) {
+        if (!allowedAttribute(attributeList[j], whitelistedAttributes)) {
+          el.removeAttribute(attributeList[j].nodeName)
+        }
+      }
+    }
+
+    return createdDocument.body.innerHTML
+  }
+
   // TOOLTIP PUBLIC CLASS DEFINITION
   // ===============================
 
@@ -1282,7 +1441,7 @@ if (typeof jQuery === 'undefined') {
     this.init('tooltip', element, options)
   }
 
-  Tooltip.VERSION  = '3.3.7'
+  Tooltip.VERSION  = '3.4.1'
 
   Tooltip.TRANSITION_DURATION = 150
 
@@ -1299,7 +1458,10 @@ if (typeof jQuery === 'undefined') {
     viewport: {
       selector: 'body',
       padding: 0
-    }
+    },
+    sanitize : true,
+    sanitizeFn : null,
+    whiteList : DefaultWhitelist
   }
 
   Tooltip.prototype.init = function (type, element, options) {
@@ -1307,7 +1469,7 @@ if (typeof jQuery === 'undefined') {
     this.type      = type
     this.$element  = $(element)
     this.options   = this.getOptions(options)
-    this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
+    this.$viewport = this.options.viewport && $(document).find($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
     this.inState   = { click: false, hover: false, focus: false }
 
     if (this.$element[0] instanceof document.constructor && !this.options.selector) {
@@ -1340,7 +1502,15 @@ if (typeof jQuery === 'undefined') {
   }
 
   Tooltip.prototype.getOptions = function (options) {
-    options = $.extend({}, this.getDefaults(), this.$element.data(), options)
+    var dataAttributes = this.$element.data()
+
+    for (var dataAttr in dataAttributes) {
+      if (dataAttributes.hasOwnProperty(dataAttr) && $.inArray(dataAttr, DISALLOWED_ATTRIBUTES) !== -1) {
+        delete dataAttributes[dataAttr]
+      }
+    }
+
+    options = $.extend({}, this.getDefaults(), dataAttributes, options)
 
     if (options.delay && typeof options.delay == 'number') {
       options.delay = {
@@ -1349,6 +1519,10 @@ if (typeof jQuery === 'undefined') {
       }
     }
 
+    if (options.sanitize) {
+      options.template = sanitizeHtml(options.template, options.whiteList, options.sanitizeFn)
+    }
+
     return options
   }
 
@@ -1460,7 +1634,7 @@ if (typeof jQuery === 'undefined') {
         .addClass(placement)
         .data('bs.' + this.type, this)
 
-      this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
+      this.options.container ? $tip.appendTo($(document).find(this.options.container)) : $tip.insertAfter(this.$element)
       this.$element.trigger('inserted.bs.' + this.type)
 
       var pos          = this.getPosition()
@@ -1562,7 +1736,16 @@ if (typeof jQuery === 'undefined') {
     var $tip  = this.tip()
     var title = this.getTitle()
 
-    $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
+    if (this.options.html) {
+      if (this.options.sanitize) {
+        title = sanitizeHtml(title, this.options.whiteList, this.options.sanitizeFn)
+      }
+
+      $tip.find('.tooltip-inner').html(title)
+    } else {
+      $tip.find('.tooltip-inner').text(title)
+    }
+
     $tip.removeClass('fade in top bottom left right')
   }
 
@@ -1743,6 +1926,9 @@ if (typeof jQuery === 'undefined') {
     })
   }
 
+  Tooltip.prototype.sanitizeHtml = function (unsafeHtml) {
+    return sanitizeHtml(unsafeHtml, this.options.whiteList, this.options.sanitizeFn)
+  }
 
   // TOOLTIP PLUGIN DEFINITION
   // =========================
@@ -1776,10 +1962,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: popover.js v3.3.7
- * http://getbootstrap.com/javascript/#popovers
+ * Bootstrap: popover.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#popovers
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -1796,7 +1982,7 @@ if (typeof jQuery === 'undefined') {
 
   if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
 
-  Popover.VERSION  = '3.3.7'
+  Popover.VERSION  = '3.4.1'
 
   Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
     placement: 'right',
@@ -1822,10 +2008,25 @@ if (typeof jQuery === 'undefined') {
     var title   = this.getTitle()
     var content = this.getContent()
 
-    $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
-    $tip.find('.popover-content').children().detach().end()[ // we use append for html objects to maintain js events
-      this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text'
-    ](content)
+    if (this.options.html) {
+      var typeContent = typeof content
+
+      if (this.options.sanitize) {
+        title = this.sanitizeHtml(title)
+
+        if (typeContent === 'string') {
+          content = this.sanitizeHtml(content)
+        }
+      }
+
+      $tip.find('.popover-title').html(title)
+      $tip.find('.popover-content').children().detach().end()[
+        typeContent === 'string' ? 'html' : 'append'
+      ](content)
+    } else {
+      $tip.find('.popover-title').text(title)
+      $tip.find('.popover-content').children().detach().end().text(content)
+    }
 
     $tip.removeClass('fade top bottom left right in')
 
@@ -1844,8 +2045,8 @@ if (typeof jQuery === 'undefined') {
 
     return $e.attr('data-content')
       || (typeof o.content == 'function' ?
-            o.content.call($e[0]) :
-            o.content)
+        o.content.call($e[0]) :
+        o.content)
   }
 
   Popover.prototype.arrow = function () {
@@ -1885,10 +2086,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: scrollspy.js v3.3.7
- * http://getbootstrap.com/javascript/#scrollspy
+ * Bootstrap: scrollspy.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#scrollspy
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -1914,7 +2115,7 @@ if (typeof jQuery === 'undefined') {
     this.process()
   }
 
-  ScrollSpy.VERSION  = '3.3.7'
+  ScrollSpy.VERSION  = '3.4.1'
 
   ScrollSpy.DEFAULTS = {
     offset: 10
@@ -2058,10 +2259,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: tab.js v3.3.7
- * http://getbootstrap.com/javascript/#tabs
+ * Bootstrap: tab.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#tabs
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -2078,7 +2279,7 @@ if (typeof jQuery === 'undefined') {
     // jscs:enable requireDollarBeforejQueryAssignment
   }
 
-  Tab.VERSION = '3.3.7'
+  Tab.VERSION = '3.4.1'
 
   Tab.TRANSITION_DURATION = 150
 
@@ -2107,7 +2308,7 @@ if (typeof jQuery === 'undefined') {
 
     if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return
 
-    var $target = $(selector)
+    var $target = $(document).find(selector)
 
     this.activate($this.closest('li'), $ul)
     this.activate($target, $target.parent(), function () {
@@ -2132,15 +2333,15 @@ if (typeof jQuery === 'undefined') {
       $active
         .removeClass('active')
         .find('> .dropdown-menu > .active')
-          .removeClass('active')
+        .removeClass('active')
         .end()
         .find('[data-toggle="tab"]')
-          .attr('aria-expanded', false)
+        .attr('aria-expanded', false)
 
       element
         .addClass('active')
         .find('[data-toggle="tab"]')
-          .attr('aria-expanded', true)
+        .attr('aria-expanded', true)
 
       if (transition) {
         element[0].offsetWidth // reflow for transition
@@ -2152,10 +2353,10 @@ if (typeof jQuery === 'undefined') {
       if (element.parent('.dropdown-menu').length) {
         element
           .closest('li.dropdown')
-            .addClass('active')
+          .addClass('active')
           .end()
           .find('[data-toggle="tab"]')
-            .attr('aria-expanded', true)
+          .attr('aria-expanded', true)
       }
 
       callback && callback()
@@ -2214,10 +2415,10 @@ if (typeof jQuery === 'undefined') {
 }(jQuery);
 
 /* ========================================================================
- * Bootstrap: affix.js v3.3.7
- * http://getbootstrap.com/javascript/#affix
+ * Bootstrap: affix.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#affix
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -2231,7 +2432,9 @@ if (typeof jQuery === 'undefined') {
   var Affix = function (element, options) {
     this.options = $.extend({}, Affix.DEFAULTS, options)
 
-    this.$target = $(this.options.target)
+    var target = this.options.target === Affix.DEFAULTS.target ? $(this.options.target) : $(document).find(this.options.target)
+
+    this.$target = target
       .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this))
       .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
 
@@ -2243,7 +2446,7 @@ if (typeof jQuery === 'undefined') {
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.3.7'
+  Affix.VERSION  = '3.4.1'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap.min.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap.min.js
index 9bcd2fc..eb0a8b4 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap.min.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap.min.js
@@ -1,7 +1,6 @@
 /*!
- * Bootstrap v3.3.7 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under the MIT license
  */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){"use strict";var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1||b[0]>3)throw new Error("Bootstrap's JavaScript requires jQuery version 1.9.1 or higher, but lower than version 4")}(jQuery),+function(a){"use strict";function b(){var a=document.createElement("bootstrap"),b={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"};for(var c in b)if(void 0!==a.style[c])return{end:b[c]};return!1}a.fn.emulateTransitionEnd=function(b){var c=!1,d=this;a(this).one("bsTransitionEnd",function(){c=!0});var e=function(){c||a(d).trigger(a.support.transition.end)};return setTimeout(e,b),this},a(function(){a.support.transition=b(),a.support.transition&&(a.event.special.bsTransitionEnd={bindType:a.support.transition.end,delegateType:a.support.transition.end,handle:function(b){if(a(b.target).is(this))return b.handleObj.handler.apply(this,arguments)}})})}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var c=a(this),e=c.data("bs.alert");e||c.data("bs.alert",e=new d(this)),"string"==typeof b&&e[b].call(c)})}var c='[data-dismiss="alert"]',d=function(b){a(b).on("click",c,this.close)};d.VERSION="3.3.7",d.TRANSITION_DURATION=150,d.prototype.close=function(b){function c(){g.detach().trigger("closed.bs.alert").remove()}var e=a(this),f=e.attr("data-target");f||(f=e.attr("href"),f=f&&f.replace(/.*(?=#[^\s]*$)/,""));var g=a("#"===f?[]:f);b&&b.preventDefault(),g.length||(g=e.closest(".alert")),g.trigger(b=a.Event("close.bs.alert")),b.isDefaultPrevented()||(g.removeClass("in"),a.support.transition&&g.hasClass("fade")?g.one("bsTransitionEnd",c).emulateTransitionEnd(d.TRANSITION_DURATION):c())};var e=a.fn.alert;a.fn.alert=b,a.fn.alert.Constructor=d,a.fn.alert.noConflict=function(){return a.fn.alert=e,this},a(document).on("click.bs.alert.data-api",c,d.prototype.close)}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.button"),f="object"==typeof b&&b;e||d.data("bs.button",e=new c(this,f)),"toggle"==b?e.toggle():b&&e.setState(b)})}var c=function(b,d){this.$element=a(b),this.options=a.extend({},c.DEFAULTS,d),this.isLoading=!1};c.VERSION="3.3.7",c.DEFAULTS={loadingText:"loading..."},c.prototype.setState=function(b){var c="disabled",d=this.$element,e=d.is("input")?"val":"html",f=d.data();b+="Text",null==f.resetText&&d.data("resetText",d[e]()),setTimeout(a.proxy(function(){d[e](null==f[b]?this.options[b]:f[b]),"loadingText"==b?(this.isLoading=!0,d.addClass(c).attr(c,c).prop(c,!0)):this.isLoading&&(this.isLoading=!1,d.removeClass(c).removeAttr(c).prop(c,!1))},this),0)},c.prototype.toggle=function(){var a=!0,b=this.$element.closest('[data-toggle="buttons"]');if(b.length){var c=this.$element.find("input");"radio"==c.prop("type")?(c.prop("checked")&&(a=!1),b.find(".active").removeClass("active"),this.$element.addClass("active")):"checkbox"==c.prop("type")&&(c.prop("checked")!==this.$element.hasClass("active")&&(a=!1),this.$element.toggleClass("active")),c.prop("checked",this.$element.hasClass("active")),a&&c.trigger("change")}else this.$element.attr("aria-pressed",!this.$element.hasClass("active")),this.$element.toggleClass("active")};var d=a.fn.button;a.fn.button=b,a.fn.button.Constructor=c,a.fn.button.noConflict=function(){return a.fn.button=d,this},a(document).on("click.bs.button.data-api",'[data-toggle^="button"]',function(c){var d=a(c.target).closest(".btn");b.call(d,"toggle"),a(c.target).is('input[type="radio"], input[type="checkbox"]')||(c.preventDefault(),d.is("input,button")?d.trigger("focus"):d.find("input:visible,button:visible").first().trigger("focus"))}).on("focus.bs.button.data-api blur.bs.button.data-api",'[data-toggle^="button"]',function(b){a(b.target).closest(".btn").toggleClass("focus",/^focus(in)?$/.test(b.type))})}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.carousel"),f=a.extend({},c.DEFAULTS,d.data(),"object"==typeof b&&b),g="string"==typeof b?b:f.slide;e||d.data("bs.carousel",e=new c(this,f)),"number"==typeof b?e.to(b):g?e[g]():f.interval&&e.pause().cycle()})}var 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.prev").length&&a.support.transition&&(this.$element.trigger(a.support.transition.end),this.cycle(!0)),this.interval=clearInterval(this.interval),this},c.prototype.next=function(){if(!this.sliding)return this.slide("next")},c.prototype.prev=function(){if(!this.sliding)return this.slide("prev")},c.prototype.slide=function(b,d){var e=this.$element.find(".item.active"),f=d||this.getItemForDirection(b,e),g=this.interval,h="next"==b?"left":"right",i=this;if(f.hasClass("active"))return this.sliding=!1;var j=f[0],k=a.Event("slide.bs.carousel",{relatedTarget:j,direction:h});if(this.$element.trigger(k),!k.isDefaultPrevented()){if(this.sliding=!0,g&&this.pause(),this.$indicators.length){this.$indicators.find(".active").removeClass("active");var l=a(this.$indicators.children()[this.getItemIndex(f)]);l&&l.addClass("active")}var m=a.Event("slid.bs.carousel",{relatedTarget:j,direction:h});return a.support.transition&&this.$element.hasClass("slide")?(f.addClass(b),f[0].offsetWidth,e.addClass(h),f.addClass(h),e.one("bsTransitionEnd",function(){f.removeClass([b,h].join(" ")).addClass("active"),e.removeClass(["active",h].join(" ")),i.sliding=!1,setTimeout(function(){i.$element.trigger(m)},0)}).emulateTransitionEnd(c.TRANSITION_DURATION)):(e.removeClass("active"),f.addClass("active"),this.sliding=!1,this.$element.trigger(m)),g&&this.cycle(),this}};var d=a.fn.carousel;a.fn.carousel=b,a.fn.carousel.Constructor=c,a.fn.carousel.noConflict=function(){return a.fn.carousel=d,this};var e=function(c){var d,e=a(this),f=a(e.attr("data-target")||(d=e.attr("href"))&&d.replace(/.*(?=#[^\s]+$)/,""));if(f.hasClass("carousel")){var g=a.extend({},f.data(),e.data()),h=e.attr("data-slide-to");h&&(g.interval=!1),b.call(f,g),h&&f.data("bs.carousel").to(h),c.preventDefault()}};a(document).on("click.bs.carousel.data-api","[data-slide]",e).on("click.bs.carousel.data-api","[data-slide-to]",e),a(window).on("load",function(){a('[data-ride="carousel"]').each(function(){var c=a(this);b.call(c,c.data())})})}(jQuery),+function(a){"use strict";function b(b){var c,d=b.attr("data-target")||(c=b.attr("href"))&&c.replace(/.*(?=#[^\s]+$)/,"");return a(d)}function c(b){return this.each(function(){var c=a(this),e=c.data("bs.collapse"),f=a.extend({},d.DEFAULTS,c.data(),"object"==typeof b&&b);!e&&f.toggle&&/show|hide/.test(b)&&(f.toggle=!1),e||c.data("bs.collapse",e=new d(this,f)),"string"==typeof b&&e[b]()})}var d=function(b,c){this.$element=a(b),this.options=a.extend({},d.DEFAULTS,c),this.$trigger=a('[data-toggle="collapse"][href="#'+b.id+'"],[data-toggle="collapse"][data-target="#'+b.id+'"]'),this.transitioning=null,this.options.parent?this.$parent=this.getParent():this.addAriaAndCollapsedClass(this.$element,this.$trigger),this.options.toggle&&this.toggle()};d.VERSION="3.3.7",d.TRANSITION_DURATION=350,d.DEFAULTS={toggle:!0},d.prototype.dimension=function(){var a=this.$element.hasClass("width");return a?"width":"height"},d.prototype.show=function(){if(!this.transitioning&&!this.$element.hasClass("in")){var b,e=this.$parent&&this.$parent.children(".panel").children(".in, .collapsing");if(!(e&&e.length&&(b=e.data("bs.collapse"),b&&b.transitioning))){var f=a.Event("show.bs.collapse");if(this.$element.trigger(f),!f.isDefaultPrevented()){e&&e.length&&(c.call(e,"hide"),b||e.data("bs.collapse",null));var g=this.dimension();this.$element.removeClass("collapse").addClass("collapsing")[g](0).attr("aria-expanded",!0),this.$trigger.removeClass("collapsed").attr("aria-expanded",!0),this.transitioning=1;var h=function(){this.$element.removeClass("collapsing").addClass("collapse in")[g](""),this.transitioning=0,this.$element.trigger("shown.bs.collapse")};if(!a.support.transition)return h.call(this);var i=a.camelCase(["scroll",g].join("-"));this.$element.one("bsTransitionEnd",a.proxy(h,this)).emulateTransitionEnd(d.TRANSITION_DURATION)[g](this.$element[0][i])}}}},d.prototype.hide=function(){if(!this.transitioning&&this.$element.hasClass("in")){var b=a.Event("hide.bs.collapse");if(this.$element.trigger(b),!b.isDefaultPrevented()){var c=this.dimension();this.$element[c](this.$element[c]())[0].offsetHeight,this.$element.addClass("collapsing").removeClass("collapse in").attr("aria-expanded",!1),this.$trigger.addClass("collapsed").attr("aria-expanded",!1),this.transitioning=1;var e=function(){this.transitioning=0,this.$element.removeClass("collapsing").addClass("collapse").trigger("hidden.bs.collapse")};return a.support.transition?void this.$element[c](0).one("bsTransitionEnd",a.proxy(e,this)).emulateTransitionEnd(d.TRANSITION_DURATION):e.call(this)}}},d.prototype.toggle=function(){this[this.$element.hasClass("in")?"hide":"show"]()},d.prototype.getParent=function(){return a(this.options.parent).find('[data-toggle="collapse"][data-parent="'+this.options.parent+'"]').each(a.proxy(function(c,d){var e=a(d);this.addAriaAndCollapsedClass(b(e),e)},this)).end()},d.prototype.addAriaAndCollapsedClass=function(a,b){var c=a.hasClass("in");a.attr("aria-expanded",c),b.toggleClass("collapsed",!c).attr("aria-expanded",c)};var e=a.fn.collapse;a.fn.collapse=c,a.fn.collapse.Constructor=d,a.fn.collapse.noConflict=function(){return a.fn.collapse=e,this},a(document).on("click.bs.collapse.data-api",'[data-toggle="collapse"]',function(d){var 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this.$arrow=this.$arrow||this.tip().find(".arrow")};var t=n.fn.popover;n.fn.popover=function e(o){return this.each(function(){var t=n(this),e=t.data("bs.popover"),i="object"==typeof o&&o;!e&&/destroy|hide/.test(o)||(e||t.data("bs.popover",e=new s(this,i)),"string"==typeof o&&e[o]())})},n.fn.popover.Constructor=s,n.fn.popover.noConflict=function(){return n.fn.popover=t,this}}(jQuery),function(s){"use strict";function n(t,e){this.$body=s(document.body),this.$scrollElement=s(t).is(document.body)?s(window):s(t),this.options=s.extend({},n.DEFAULTS,e),this.selector=(this.options.target||"")+" .nav li > a",this.offsets=[],this.targets=[],this.activeTarget=null,this.scrollHeight=0,this.$scrollElement.on("scroll.bs.scrollspy",s.proxy(this.process,this)),this.refresh(),this.process()}function e(o){return this.each(function(){var t=s(this),e=t.data("bs.scrollspy"),i="object"==typeof o&&o;e||t.data("bs.scrollspy",e=new n(this,i)),"string"==typeof o&&e[o]()})}n.VERSION="3.4.1",n.DEFAULTS={offset:10},n.prototype.getScrollHeight=function(){return this.$scrollElement[0].scrollHeight||Math.max(this.$body[0].scrollHeight,document.documentElement.scrollHeight)},n.prototype.refresh=function(){var t=this,o="offset",n=0;this.offsets=[],this.targets=[],this.scrollHeight=this.getScrollHeight(),s.isWindow(this.$scrollElement[0])||(o="position",n=this.$scrollElement.scrollTop()),this.$body.find(this.selector).map(function(){var t=s(this),e=t.data("target")||t.attr("href"),i=/^#./.test(e)&&s(e);return i&&i.length&&i.is(":visible")&&[[i[o]().top+n,e]]||null}).sort(function(t,e){return t[0]-e[0]}).each(function(){t.offsets.push(this[0]),t.targets.push(this[1])})},n.prototype.process=function(){var t,e=this.$scrollElement.scrollTop()+this.options.offset,i=this.getScrollHeight(),o=this.options.offset+i-this.$scrollElement.height(),n=this.offsets,s=this.targets,a=this.activeTarget;if(this.scrollHeight!=i&&this.refresh(),o<=e)return a!=(t=s[s.length-1])&&this.activate(t);if(a&&e<n[0])return this.activeTarget=null,this.clear();for(t=n.length;t--;)a!=s[t]&&e>=n[t]&&(n[t+1]===undefined||e<n[t+1])&&this.activate(s[t])},n.prototype.activate=function(t){this.activeTarget=t,this.clear();var e=this.selector+'[data-target="'+t+'"],'+this.selector+'[href="'+t+'"]',i=s(e).parents("li").addClass("active");i.parent(".dropdown-menu").length&&(i=i.closest("li.dropdown").addClass("active")),i.trigger("activate.bs.scrollspy")},n.prototype.clear=function(){s(this.selector).parentsUntil(this.options.target,".active").removeClass("active")};var t=s.fn.scrollspy;s.fn.scrollspy=e,s.fn.scrollspy.Constructor=n,s.fn.scrollspy.noConflict=function(){return s.fn.scrollspy=t,this},s(window).on("load.bs.scrollspy.data-api",function(){s('[data-spy="scroll"]').each(function(){var t=s(this);e.call(t,t.data())})})}(jQuery),function(r){"use strict";var a=function(t){this.element=r(t)};function e(i){return this.each(function(){var t=r(this),e=t.data("bs.tab");e||t.data("bs.tab",e=new a(this)),"string"==typeof i&&e[i]()})}a.VERSION="3.4.1",a.TRANSITION_DURATION=150,a.prototype.show=function(){var t=this.element,e=t.closest("ul:not(.dropdown-menu)"),i=t.data("target");if(i||(i=(i=t.attr("href"))&&i.replace(/.*(?=#[^\s]*$)/,"")),!t.parent("li").hasClass("active")){var o=e.find(".active:last a"),n=r.Event("hide.bs.tab",{relatedTarget:t[0]}),s=r.Event("show.bs.tab",{relatedTarget:o[0]});if(o.trigger(n),t.trigger(s),!s.isDefaultPrevented()&&!n.isDefaultPrevented()){var a=r(document).find(i);this.activate(t.closest("li"),e),this.activate(a,a.parent(),function(){o.trigger({type:"hidden.bs.tab",relatedTarget:t[0]}),t.trigger({type:"shown.bs.tab",relatedTarget:o[0]})})}}},a.prototype.activate=function(t,e,i){var o=e.find("> .active"),n=i&&r.support.transition&&(o.length&&o.hasClass("fade")||!!e.find("> .fade").length);function s(){o.removeClass("active").find("> .dropdown-menu > .active").removeClass("active").end().find('[data-toggle="tab"]').attr("aria-expanded",!1),t.addClass("active").find('[data-toggle="tab"]').attr("aria-expanded",!0),n?(t[0].offsetWidth,t.addClass("in")):t.removeClass("fade"),t.parent(".dropdown-menu").length&&t.closest("li.dropdown").addClass("active").end().find('[data-toggle="tab"]').attr("aria-expanded",!0),i&&i()}o.length&&n?o.one("bsTransitionEnd",s).emulateTransitionEnd(a.TRANSITION_DURATION):s(),o.removeClass("in")};var t=r.fn.tab;r.fn.tab=e,r.fn.tab.Constructor=a,r.fn.tab.noConflict=function(){return r.fn.tab=t,this};var i=function(t){t.preventDefault(),e.call(r(this),"show")};r(document).on("click.bs.tab.data-api",'[data-toggle="tab"]',i).on("click.bs.tab.data-api",'[data-toggle="pill"]',i)}(jQuery),function(l){"use strict";var h=function(t,e){this.options=l.extend({},h.DEFAULTS,e);var i=this.options.target===h.DEFAULTS.target?l(this.options.target):l(document).find(this.options.target);this.$target=i.on("scroll.bs.affix.data-api",l.proxy(this.checkPosition,this)).on("click.bs.affix.data-api",l.proxy(this.checkPositionWithEventLoop,this)),this.$element=l(t),this.affixed=null,this.unpin=null,this.pinnedOffset=null,this.checkPosition()};function i(o){return this.each(function(){var t=l(this),e=t.data("bs.affix"),i="object"==typeof o&&o;e||t.data("bs.affix",e=new h(this,i)),"string"==typeof o&&e[o]()})}h.VERSION="3.4.1",h.RESET="affix affix-top affix-bottom",h.DEFAULTS={offset:0,target:window},h.prototype.getState=function(t,e,i,o){var n=this.$target.scrollTop(),s=this.$element.offset(),a=this.$target.height();if(null!=i&&"top"==this.affixed)return n<i&&"top";if("bottom"==this.affixed)return null!=i?!(n+this.unpin<=s.top)&&"bottom":!(n+a<=t-o)&&"bottom";var r=null==this.affixed,l=r?n:s.top;return null!=i&&n<=i?"top":null!=o&&t-o<=l+(r?a:e)&&"bottom"},h.prototype.getPinnedOffset=function(){if(this.pinnedOffset)return this.pinnedOffset;this.$element.removeClass(h.RESET).addClass("affix");var t=this.$target.scrollTop(),e=this.$element.offset();return this.pinnedOffset=e.top-t},h.prototype.checkPositionWithEventLoop=function(){setTimeout(l.proxy(this.checkPosition,this),1)},h.prototype.checkPosition=function(){if(this.$element.is(":visible")){var t=this.$element.height(),e=this.options.offset,i=e.top,o=e.bottom,n=Math.max(l(document).height(),l(document.body).height());"object"!=typeof e&&(o=i=e),"function"==typeof i&&(i=e.top(this.$element)),"function"==typeof o&&(o=e.bottom(this.$element));var s=this.getState(n,t,i,o);if(this.affixed!=s){null!=this.unpin&&this.$element.css("top","");var a="affix"+(s?"-"+s:""),r=l.Event(a+".bs.affix");if(this.$element.trigger(r),r.isDefaultPrevented())return;this.affixed=s,this.unpin="bottom"==s?this.getPinnedOffset():null,this.$element.removeClass(h.RESET).addClass(a).trigger(a.replace("affix","affixed")+".bs.affix")}"bottom"==s&&this.$element.offset({top:n-t-o})}};var t=l.fn.affix;l.fn.affix=i,l.fn.affix.Constructor=h,l.fn.affix.noConflict=function(){return l.fn.affix=t,this},l(window).on("load",function(){l('[data-spy="affix"]').each(function(){var t=l(this),e=t.data();e.offset=e.offset||{},null!=e.offsetBottom&&(e.offset.bottom=e.offsetBottom),null!=e.offsetTop&&(e.offset.top=e.offsetTop),i.call(t,e)})})}(jQuery);
\ No newline at end of file
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/affix.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/affix.js
index 7f65168..ad62904 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/affix.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/affix.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: affix.js v3.3.7
- * http://getbootstrap.com/javascript/#affix
+ * Bootstrap: affix.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#affix
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -16,7 +16,9 @@
   var Affix = function (element, options) {
     this.options = $.extend({}, Affix.DEFAULTS, options)
 
-    this.$target = $(this.options.target)
+    var target = this.options.target === Affix.DEFAULTS.target ? $(this.options.target) : $(document).find(this.options.target)
+
+    this.$target = target
       .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this))
       .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
 
@@ -28,7 +30,7 @@
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.3.7'
+  Affix.VERSION  = '3.4.1'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/alert.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/alert.js
index db97f3b..7f9606b 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/alert.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/alert.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: alert.js v3.3.7
- * http://getbootstrap.com/javascript/#alerts
+ * Bootstrap: alert.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#alerts
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -18,7 +18,7 @@
     $(el).on('click', dismiss, this.close)
   }
 
-  Alert.VERSION = '3.3.7'
+  Alert.VERSION = '3.4.1'
 
   Alert.TRANSITION_DURATION = 150
 
@@ -31,7 +31,8 @@
       selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
     }
 
-    var $parent = $(selector === '#' ? [] : selector)
+    selector    = selector === '#' ? [] : selector
+    var $parent = $(document).find(selector)
 
     if (e) e.preventDefault()
 
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/button.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/button.js
index 843b39c..ff4af20 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/button.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/button.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: button.js v3.3.7
- * http://getbootstrap.com/javascript/#buttons
+ * Bootstrap: button.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#buttons
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -19,7 +19,7 @@
     this.isLoading = false
   }
 
-  Button.VERSION  = '3.3.7'
+  Button.VERSION  = '3.4.1'
 
   Button.DEFAULTS = {
     loadingText: 'loading...'
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/carousel.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/carousel.js
index 6ff954c..a5fcac3 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/carousel.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/carousel.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: carousel.js v3.3.7
- * http://getbootstrap.com/javascript/#carousel
+ * Bootstrap: carousel.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#carousel
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -30,7 +30,7 @@
       .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
   }
 
-  Carousel.VERSION  = '3.3.7'
+  Carousel.VERSION  = '3.4.1'
 
   Carousel.TRANSITION_DURATION = 600
 
@@ -144,7 +144,9 @@
     var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
     if ($.support.transition && this.$element.hasClass('slide')) {
       $next.addClass(type)
-      $next[0].offsetWidth // force reflow
+      if (typeof $next === 'object' && $next.length) {
+        $next[0].offsetWidth // force reflow
+      }
       $active.addClass(direction)
       $next.addClass(direction)
       $active
@@ -206,10 +208,17 @@
   // =================
 
   var clickHandler = function (e) {
-    var href
     var $this   = $(this)
-    var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+    var href    = $this.attr('href')
+    if (href) {
+      href = href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
+    }
+
+    var target  = $this.attr('data-target') || href
+    var $target = $(document).find(target)
+
     if (!$target.hasClass('carousel')) return
+
     var options = $.extend({}, $target.data(), $this.data())
     var slideIndex = $this.attr('data-slide-to')
     if (slideIndex) options.interval = false
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/collapse.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/collapse.js
index 1203869..2cd5997 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/collapse.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/collapse.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: collapse.js v3.3.7
- * http://getbootstrap.com/javascript/#collapse
+ * Bootstrap: collapse.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#collapse
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -30,7 +30,7 @@
     if (this.options.toggle) this.toggle()
   }
 
-  Collapse.VERSION  = '3.3.7'
+  Collapse.VERSION  = '3.4.1'
 
   Collapse.TRANSITION_DURATION = 350
 
@@ -137,7 +137,7 @@
   }
 
   Collapse.prototype.getParent = function () {
-    return $(this.options.parent)
+    return $(document).find(this.options.parent)
       .find('[data-toggle="collapse"][data-parent="' + this.options.parent + '"]')
       .each($.proxy(function (i, element) {
         var $element = $(element)
@@ -160,7 +160,7 @@
     var target = $trigger.attr('data-target')
       || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
 
-    return $(target)
+    return $(document).find(target)
   }
 
 
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/dropdown.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/dropdown.js
index 04e9c2d..4ded850 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/dropdown.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/dropdown.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: dropdown.js v3.3.7
- * http://getbootstrap.com/javascript/#dropdowns
+ * Bootstrap: dropdown.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#dropdowns
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -19,7 +19,7 @@
     $(element).on('click.bs.dropdown', this.toggle)
   }
 
-  Dropdown.VERSION = '3.3.7'
+  Dropdown.VERSION = '3.4.1'
 
   function getParent($this) {
     var selector = $this.attr('data-target')
@@ -29,7 +29,7 @@
       selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
     }
 
-    var $parent = selector && $(selector)
+    var $parent = selector !== '#' ? $(document).find(selector) : null
 
     return $parent && $parent.length ? $parent : $this.parent()
   }
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/modal.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/modal.js
index f84142d..b9eca49 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/modal.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/modal.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: modal.js v3.3.7
- * http://getbootstrap.com/javascript/#modals
+ * Bootstrap: modal.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#modals
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -14,15 +14,16 @@
   // ======================
 
   var Modal = function (element, options) {
-    this.options             = options
-    this.$body               = $(document.body)
-    this.$element            = $(element)
-    this.$dialog             = this.$element.find('.modal-dialog')
-    this.$backdrop           = null
-    this.isShown             = null
-    this.originalBodyPad     = null
-    this.scrollbarWidth      = 0
+    this.options = options
+    this.$body = $(document.body)
+    this.$element = $(element)
+    this.$dialog = this.$element.find('.modal-dialog')
+    this.$backdrop = null
+    this.isShown = null
+    this.originalBodyPad = null
+    this.scrollbarWidth = 0
     this.ignoreBackdropClick = false
+    this.fixedContent = '.navbar-fixed-top, .navbar-fixed-bottom'
 
     if (this.options.remote) {
       this.$element
@@ -33,7 +34,7 @@
     }
   }
 
-  Modal.VERSION  = '3.3.7'
+  Modal.VERSION = '3.4.1'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
@@ -50,7 +51,7 @@
 
   Modal.prototype.show = function (_relatedTarget) {
     var that = this
-    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
+    var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
 
     this.$element.trigger(e)
 
@@ -141,8 +142,8 @@
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
         if (document !== e.target &&
-            this.$element[0] !== e.target &&
-            !this.$element.has(e.target).length) {
+          this.$element[0] !== e.target &&
+          !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
@@ -244,7 +245,7 @@
     var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
 
     this.$element.css({
-      paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
+      paddingLeft: !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
       paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
     })
   }
@@ -269,11 +270,26 @@
   Modal.prototype.setScrollbar = function () {
     var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
     this.originalBodyPad = document.body.style.paddingRight || ''
-    if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
+    var scrollbarWidth = this.scrollbarWidth
+    if (this.bodyIsOverflowing) {
+      this.$body.css('padding-right', bodyPad + scrollbarWidth)
+      $(this.fixedContent).each(function (index, element) {
+        var actualPadding = element.style.paddingRight
+        var calculatedPadding = $(element).css('padding-right')
+        $(element)
+          .data('padding-right', actualPadding)
+          .css('padding-right', parseFloat(calculatedPadding) + scrollbarWidth + 'px')
+      })
+    }
   }
 
   Modal.prototype.resetScrollbar = function () {
     this.$body.css('padding-right', this.originalBodyPad)
+    $(this.fixedContent).each(function (index, element) {
+      var padding = $(element).data('padding-right')
+      $(element).removeData('padding-right')
+      element.style.paddingRight = padding ? padding : ''
+    })
   }
 
   Modal.prototype.measureScrollbar = function () { // thx walsh
@@ -291,8 +307,8 @@
 
   function Plugin(option, _relatedTarget) {
     return this.each(function () {
-      var $this   = $(this)
-      var data    = $this.data('bs.modal')
+      var $this = $(this)
+      var data = $this.data('bs.modal')
       var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
 
       if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
@@ -303,7 +319,7 @@
 
   var old = $.fn.modal
 
-  $.fn.modal             = Plugin
+  $.fn.modal = Plugin
   $.fn.modal.Constructor = Modal
 
 
@@ -320,10 +336,13 @@
   // ==============
 
   $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
-    var $this   = $(this)
-    var href    = $this.attr('href')
-    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
-    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
+    var $this = $(this)
+    var href = $this.attr('href')
+    var target = $this.attr('data-target') ||
+      (href && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
+
+    var $target = $(document).find(target)
+    var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
 
     if ($this.is('a')) e.preventDefault()
 
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/popover.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/popover.js
index efe1956..66a301c 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/popover.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/popover.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: popover.js v3.3.7
- * http://getbootstrap.com/javascript/#popovers
+ * Bootstrap: popover.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#popovers
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -19,7 +19,7 @@
 
   if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
 
-  Popover.VERSION  = '3.3.7'
+  Popover.VERSION  = '3.4.1'
 
   Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
     placement: 'right',
@@ -45,10 +45,25 @@
     var title   = this.getTitle()
     var content = this.getContent()
 
-    $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
-    $tip.find('.popover-content').children().detach().end()[ // we use append for html objects to maintain js events
-      this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text'
-    ](content)
+    if (this.options.html) {
+      var typeContent = typeof content
+
+      if (this.options.sanitize) {
+        title = this.sanitizeHtml(title)
+
+        if (typeContent === 'string') {
+          content = this.sanitizeHtml(content)
+        }
+      }
+
+      $tip.find('.popover-title').html(title)
+      $tip.find('.popover-content').children().detach().end()[
+        typeContent === 'string' ? 'html' : 'append'
+      ](content)
+    } else {
+      $tip.find('.popover-title').text(title)
+      $tip.find('.popover-content').children().detach().end().text(content)
+    }
 
     $tip.removeClass('fade top bottom left right in')
 
@@ -67,8 +82,8 @@
 
     return $e.attr('data-content')
       || (typeof o.content == 'function' ?
-            o.content.call($e[0]) :
-            o.content)
+        o.content.call($e[0]) :
+        o.content)
   }
 
   Popover.prototype.arrow = function () {
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/scrollspy.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/scrollspy.js
index fe19809..a629ac6 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/scrollspy.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/scrollspy.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: scrollspy.js v3.3.7
- * http://getbootstrap.com/javascript/#scrollspy
+ * Bootstrap: scrollspy.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#scrollspy
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -28,7 +28,7 @@
     this.process()
   }
 
-  ScrollSpy.VERSION  = '3.3.7'
+  ScrollSpy.VERSION  = '3.4.1'
 
   ScrollSpy.DEFAULTS = {
     offset: 10
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tab.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tab.js
index c4a8635..74495df 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tab.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tab.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: tab.js v3.3.7
- * http://getbootstrap.com/javascript/#tabs
+ * Bootstrap: tab.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#tabs
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -19,7 +19,7 @@
     // jscs:enable requireDollarBeforejQueryAssignment
   }
 
-  Tab.VERSION = '3.3.7'
+  Tab.VERSION = '3.4.1'
 
   Tab.TRANSITION_DURATION = 150
 
@@ -48,7 +48,7 @@
 
     if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return
 
-    var $target = $(selector)
+    var $target = $(document).find(selector)
 
     this.activate($this.closest('li'), $ul)
     this.activate($target, $target.parent(), function () {
@@ -73,15 +73,15 @@
       $active
         .removeClass('active')
         .find('> .dropdown-menu > .active')
-          .removeClass('active')
+        .removeClass('active')
         .end()
         .find('[data-toggle="tab"]')
-          .attr('aria-expanded', false)
+        .attr('aria-expanded', false)
 
       element
         .addClass('active')
         .find('[data-toggle="tab"]')
-          .attr('aria-expanded', true)
+        .attr('aria-expanded', true)
 
       if (transition) {
         element[0].offsetWidth // reflow for transition
@@ -93,10 +93,10 @@
       if (element.parent('.dropdown-menu').length) {
         element
           .closest('li.dropdown')
-            .addClass('active')
+          .addClass('active')
           .end()
           .find('[data-toggle="tab"]')
-            .attr('aria-expanded', true)
+          .attr('aria-expanded', true)
       }
 
       callback && callback()
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tooltip.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tooltip.js
index e35d9c7..c8c1c8c 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tooltip.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/tooltip.js
@@ -1,16 +1,146 @@
 /* ========================================================================
- * Bootstrap: tooltip.js v3.3.7
- * http://getbootstrap.com/javascript/#tooltip
+ * Bootstrap: tooltip.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
-
 +function ($) {
   'use strict';
 
+  var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']
+
+  var uriAttrs = [
+    'background',
+    'cite',
+    'href',
+    'itemtype',
+    'longdesc',
+    'poster',
+    'src',
+    'xlink:href'
+  ]
+
+  var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
+
+  var DefaultWhitelist = {
+    // Global attributes allowed on any supplied element below.
+    '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+    a: ['target', 'href', 'title', 'rel'],
+    area: [],
+    b: [],
+    br: [],
+    col: [],
+    code: [],
+    div: [],
+    em: [],
+    hr: [],
+    h1: [],
+    h2: [],
+    h3: [],
+    h4: [],
+    h5: [],
+    h6: [],
+    i: [],
+    img: ['src', 'alt', 'title', 'width', 'height'],
+    li: [],
+    ol: [],
+    p: [],
+    pre: [],
+    s: [],
+    small: [],
+    span: [],
+    sub: [],
+    sup: [],
+    strong: [],
+    u: [],
+    ul: []
+  }
+
+  /**
+   * A pattern that recognizes a commonly useful subset of URLs that are safe.
+   *
+   * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+   */
+  var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi
+
+  /**
+   * A pattern that matches safe data URLs. Only matches image, video and audio types.
+   *
+   * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
+   */
+  var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+/]+=*$/i
+
+  function allowedAttribute(attr, allowedAttributeList) {
+    var attrName = attr.nodeName.toLowerCase()
+
+    if ($.inArray(attrName, allowedAttributeList) !== -1) {
+      if ($.inArray(attrName, uriAttrs) !== -1) {
+        return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))
+      }
+
+      return true
+    }
+
+    var regExp = $(allowedAttributeList).filter(function (index, value) {
+      return value instanceof RegExp
+    })
+
+    // Check if a regular expression validates the attribute.
+    for (var i = 0, l = regExp.length; i < l; i++) {
+      if (attrName.match(regExp[i])) {
+        return true
+      }
+    }
+
+    return false
+  }
+
+  function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
+    if (unsafeHtml.length === 0) {
+      return unsafeHtml
+    }
+
+    if (sanitizeFn && typeof sanitizeFn === 'function') {
+      return sanitizeFn(unsafeHtml)
+    }
+
+    // IE 8 and below don't support createHTMLDocument
+    if (!document.implementation || !document.implementation.createHTMLDocument) {
+      return unsafeHtml
+    }
+
+    var createdDocument = document.implementation.createHTMLDocument('sanitization')
+    createdDocument.body.innerHTML = unsafeHtml
+
+    var whitelistKeys = $.map(whiteList, function (el, i) { return i })
+    var elements = $(createdDocument.body).find('*')
+
+    for (var i = 0, len = elements.length; i < len; i++) {
+      var el = elements[i]
+      var elName = el.nodeName.toLowerCase()
+
+      if ($.inArray(elName, whitelistKeys) === -1) {
+        el.parentNode.removeChild(el)
+
+        continue
+      }
+
+      var attributeList = $.map(el.attributes, function (el) { return el })
+      var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])
+
+      for (var j = 0, len2 = attributeList.length; j < len2; j++) {
+        if (!allowedAttribute(attributeList[j], whitelistedAttributes)) {
+          el.removeAttribute(attributeList[j].nodeName)
+        }
+      }
+    }
+
+    return createdDocument.body.innerHTML
+  }
+
   // TOOLTIP PUBLIC CLASS DEFINITION
   // ===============================
 
@@ -26,7 +156,7 @@
     this.init('tooltip', element, options)
   }
 
-  Tooltip.VERSION  = '3.3.7'
+  Tooltip.VERSION  = '3.4.1'
 
   Tooltip.TRANSITION_DURATION = 150
 
@@ -43,7 +173,10 @@
     viewport: {
       selector: 'body',
       padding: 0
-    }
+    },
+    sanitize : true,
+    sanitizeFn : null,
+    whiteList : DefaultWhitelist
   }
 
   Tooltip.prototype.init = function (type, element, options) {
@@ -51,7 +184,7 @@
     this.type      = type
     this.$element  = $(element)
     this.options   = this.getOptions(options)
-    this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
+    this.$viewport = this.options.viewport && $(document).find($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
     this.inState   = { click: false, hover: false, focus: false }
 
     if (this.$element[0] instanceof document.constructor && !this.options.selector) {
@@ -84,7 +217,15 @@
   }
 
   Tooltip.prototype.getOptions = function (options) {
-    options = $.extend({}, this.getDefaults(), this.$element.data(), options)
+    var dataAttributes = this.$element.data()
+
+    for (var dataAttr in dataAttributes) {
+      if (dataAttributes.hasOwnProperty(dataAttr) && $.inArray(dataAttr, DISALLOWED_ATTRIBUTES) !== -1) {
+        delete dataAttributes[dataAttr]
+      }
+    }
+
+    options = $.extend({}, this.getDefaults(), dataAttributes, options)
 
     if (options.delay && typeof options.delay == 'number') {
       options.delay = {
@@ -93,6 +234,10 @@
       }
     }
 
+    if (options.sanitize) {
+      options.template = sanitizeHtml(options.template, options.whiteList, options.sanitizeFn)
+    }
+
     return options
   }
 
@@ -204,7 +349,7 @@
         .addClass(placement)
         .data('bs.' + this.type, this)
 
-      this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
+      this.options.container ? $tip.appendTo($(document).find(this.options.container)) : $tip.insertAfter(this.$element)
       this.$element.trigger('inserted.bs.' + this.type)
 
       var pos          = this.getPosition()
@@ -306,7 +451,16 @@
     var $tip  = this.tip()
     var title = this.getTitle()
 
-    $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
+    if (this.options.html) {
+      if (this.options.sanitize) {
+        title = sanitizeHtml(title, this.options.whiteList, this.options.sanitizeFn)
+      }
+
+      $tip.find('.tooltip-inner').html(title)
+    } else {
+      $tip.find('.tooltip-inner').text(title)
+    }
+
     $tip.removeClass('fade in top bottom left right')
   }
 
@@ -487,6 +641,9 @@
     })
   }
 
+  Tooltip.prototype.sanitizeHtml = function (unsafeHtml) {
+    return sanitizeHtml(unsafeHtml, this.options.whiteList, this.options.sanitizeFn)
+  }
 
   // TOOLTIP PLUGIN DEFINITION
   // =========================
diff --git a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/transition.js b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/transition.js
index db76596..5a9a3e3 100644
--- a/xstatic/pkg/bootstrap_scss/data/js/bootstrap/transition.js
+++ b/xstatic/pkg/bootstrap_scss/data/js/bootstrap/transition.js
@@ -1,8 +1,8 @@
 /* ========================================================================
- * Bootstrap: transition.js v3.3.7
- * http://getbootstrap.com/javascript/#transitions
+ * Bootstrap: transition.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#transitions
  * ========================================================================
- * Copyright 2011-2016 Twitter, Inc.
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -10,7 +10,7 @@
 +function ($) {
   'use strict';
 
-  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
+  // CSS TRANSITION SUPPORT (Shoutout: https://modernizr.com/)
   // ============================================================
 
   function transitionEnd() {
@@ -32,7 +32,7 @@
     return false // explicit for ie8 (  ._.)
   }
 
-  // http://blog.alexmaccaw.com/css-transitions
+  // https://blog.alexmaccaw.com/css-transitions
   $.fn.emulateTransitionEnd = function (duration) {
     var called = false
     var $el = this
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/_bootstrap.scss b/xstatic/pkg/bootstrap_scss/data/scss/_bootstrap.scss
index e72d1de..89e3855 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/_bootstrap.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/_bootstrap.scss
@@ -1,6 +1,6 @@
 /*!
- * Bootstrap v3.3.7 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_alerts.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_alerts.scss
index 7d1e1fd..f9e69bd 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_alerts.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_alerts.scss
@@ -15,8 +15,7 @@
   // Headings for larger alerts
   h4 {
     margin-top: 0;
-    // Specified for the h4 to prevent conflicts of changing $headings-color
-    color: inherit;
+    color: inherit; // Specified for the h4 to prevent conflicts of changing $headings-color
   }
 
   // Provide class for links that match alerts
@@ -39,7 +38,8 @@
 //
 // Expand the right padding and account for the close button's positioning.
 
-.alert-dismissable, // The misspelled .alert-dismissable was deprecated in 3.2.0.
+// The misspelled .alert-dismissable was deprecated in 3.2.0.
+.alert-dismissable,
 .alert-dismissible {
   padding-right: ($alert-padding + 20);
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_badges.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_badges.scss
index 70002e0..44d5dd6 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_badges.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_badges.scss
@@ -10,11 +10,11 @@
   padding: 3px 7px;
   font-size: $font-size-small;
   font-weight: $badge-font-weight;
-  color: $badge-color;
   line-height: $badge-line-height;
-  vertical-align: middle;
-  white-space: nowrap;
+  color: $badge-color;
   text-align: center;
+  white-space: nowrap;
+  vertical-align: middle;
   background-color: $badge-bg;
   border-radius: $badge-border-radius;
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_breadcrumbs.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_breadcrumbs.scss
index b61f0c7..67e39d9 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_breadcrumbs.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_breadcrumbs.scss
@@ -14,11 +14,11 @@
     display: inline-block;
 
     + li:before {
+      padding: 0 5px;
+      color: $breadcrumb-color;
       // [converter] Workaround for https://github.com/sass/libsass/issues/1115
       $nbsp: "\00a0";
       content: "#{$breadcrumb-separator}#{$nbsp}"; // Unicode space added since inline-block means non-collapsing white-space
-      padding: 0 5px;
-      color: $breadcrumb-color;
     }
   }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_button-groups.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_button-groups.scss
index 4b385f5..6a62faf 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_button-groups.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_button-groups.scss
@@ -103,18 +103,18 @@
 
 // Give the line between buttons some depth
 .btn-group > .btn + .dropdown-toggle {
-  padding-left: 8px;
   padding-right: 8px;
+  padding-left: 8px;
 }
 .btn-group > .btn-lg + .dropdown-toggle {
-  padding-left: 12px;
   padding-right: 12px;
+  padding-left: 12px;
 }
 
 // The clickable button for toggling the menu
 // Remove the gradient and set the same inset shadow as the :active state
 .btn-group.open .dropdown-toggle {
-  @include box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
+  @include box-shadow(inset 0 3px 5px rgba(0, 0, 0, .125));
 
   // Show no shadow for `.btn-link` since it has no other button styles.
   &.btn-link {
@@ -205,8 +205,8 @@
   border-collapse: separate;
   > .btn,
   > .btn-group {
-    float: none;
     display: table-cell;
+    float: none;
     width: 1%;
   }
   > .btn-group .btn {
@@ -237,7 +237,7 @@
     input[type="radio"],
     input[type="checkbox"] {
       position: absolute;
-      clip: rect(0,0,0,0);
+      clip: rect(0, 0, 0, 0);
       pointer-events: none;
     }
   }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_buttons.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_buttons.scss
index 6452b70..62962d7 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_buttons.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_buttons.scss
@@ -11,12 +11,12 @@
   margin-bottom: 0; // For input.btn
   font-weight: $btn-font-weight;
   text-align: center;
+  white-space: nowrap;
   vertical-align: middle;
   touch-action: manipulation;
   cursor: pointer;
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid transparent;
-  white-space: nowrap;
   @include button-size($padding-base-vertical, $padding-base-horizontal, $font-size-base, $line-height-base, $btn-border-radius-base);
   @include user-select(none);
 
@@ -38,9 +38,9 @@
 
   &:active,
   &.active {
-    outline: 0;
     background-image: none;
-    @include box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
+    outline: 0;
+    @include box-shadow(inset 0 3px 5px rgba(0, 0, 0, .125));
   }
 
   &.disabled,
@@ -94,8 +94,8 @@ a.btn {
 
 // Make a button look and behave like a link
 .btn-link {
+  font-weight: 400;
   color: $link-color;
-  font-weight: normal;
   border-radius: 0;
 
   &,
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_carousel.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_carousel.scss
index 753d881..52a1f7b 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_carousel.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_carousel.scss
@@ -10,12 +10,12 @@
 
 .carousel-inner {
   position: relative;
-  overflow: hidden;
   width: 100%;
+  overflow: hidden;
 
   > .item {
-    display: none;
     position: relative;
+    display: none;
     @include transition(.6s ease-in-out left);
 
     // Account for jankitude on images
@@ -93,34 +93,34 @@
 .carousel-control {
   position: absolute;
   top: 0;
-  left: 0;
   bottom: 0;
+  left: 0;
   width: $carousel-control-width;
-  @include opacity($carousel-control-opacity);
   font-size: $carousel-control-font-size;
   color: $carousel-control-color;
   text-align: center;
   text-shadow: $carousel-text-shadow;
   background-color: rgba(0, 0, 0, 0); // Fix IE9 click-thru bug
+  @include opacity($carousel-control-opacity);
   // We can't have this transition here because WebKit cancels the carousel
   // animation if you trip this while in the middle of another animation.
 
   // Set gradients for backgrounds
   &.left {
-    @include gradient-horizontal($start-color: rgba(0,0,0,.5), $end-color: rgba(0,0,0,.0001));
+    @include gradient-horizontal($start-color: rgba(0, 0, 0, .5), $end-color: rgba(0, 0, 0, .0001));
   }
   &.right {
-    left: auto;
     right: 0;
-    @include gradient-horizontal($start-color: rgba(0,0,0,.0001), $end-color: rgba(0,0,0,.5));
+    left: auto;
+    @include gradient-horizontal($start-color: rgba(0, 0, 0, .0001), $end-color: rgba(0, 0, 0, .5));
   }
 
   // Hover/focus state
   &:hover,
   &:focus {
-    outline: 0;
     color: $carousel-control-color;
     text-decoration: none;
+    outline: 0;
     @include opacity(.9);
   }
 
@@ -131,9 +131,9 @@
   .glyphicon-chevron-right {
     position: absolute;
     top: 50%;
-    margin-top: -10px;
     z-index: 5;
     display: inline-block;
+    margin-top: -10px;
   }
   .icon-prev,
   .glyphicon-chevron-left {
@@ -147,21 +147,20 @@
   }
   .icon-prev,
   .icon-next {
-    width:  20px;
+    width: 20px;
     height: 20px;
-    line-height: 1;
     font-family: serif;
+    line-height: 1;
   }
 
-
   .icon-prev {
     &:before {
-      content: '\2039';// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)
+      content: "\2039";// SINGLE LEFT-POINTING ANGLE QUOTATION MARK (U+2039)
     }
   }
   .icon-next {
     &:before {
-      content: '\203a';// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)
+      content: "\203a";// SINGLE RIGHT-POINTING ANGLE QUOTATION MARK (U+203A)
     }
   }
 }
@@ -177,21 +176,18 @@
   left: 50%;
   z-index: 15;
   width: 60%;
-  margin-left: -30%;
   padding-left: 0;
-  list-style: none;
+  margin-left: -30%;
   text-align: center;
+  list-style: none;
 
   li {
     display: inline-block;
-    width:  10px;
+    width: 10px;
     height: 10px;
     margin: 1px;
     text-indent: -999px;
-    border: 1px solid $carousel-indicator-border-color;
-    border-radius: 10px;
     cursor: pointer;
-
     // IE8-9 hack for event handling
     //
     // Internet Explorer 8-9 does not support clicks on elements without a set
@@ -202,12 +198,16 @@
     // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
     // set alpha transparency for the best results possible.
     background-color: #000 \9; // IE8
-    background-color: rgba(0,0,0,0); // IE9
+    background-color: rgba(0, 0, 0, 0); // IE9
+
+    border: 1px solid $carousel-indicator-border-color;
+    border-radius: 10px;
   }
+
   .active {
-    margin: 0;
-    width:  12px;
+    width: 12px;
     height: 12px;
+    margin: 0;
     background-color: $carousel-indicator-active-bg;
   }
 }
@@ -217,15 +217,16 @@
 // Hidden by default for smaller viewports
 .carousel-caption {
   position: absolute;
-  left: 15%;
   right: 15%;
   bottom: 20px;
+  left: 15%;
   z-index: 10;
   padding-top: 20px;
   padding-bottom: 20px;
   color: $carousel-caption-color;
   text-align: center;
   text-shadow: $carousel-text-shadow;
+
   & .btn {
     text-shadow: none; // No shadow for button elements in carousel-caption
   }
@@ -258,8 +259,8 @@
 
   // Show and left align the captions
   .carousel-caption {
-    left: 20%;
     right: 20%;
+    left: 20%;
     padding-bottom: 30px;
   }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_close.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_close.scss
index 3b74d8a..a858a8f 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_close.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_close.scss
@@ -33,4 +33,5 @@ button.close {
   background: transparent;
   border: 0;
   -webkit-appearance: none;
+  appearance: none;
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_code.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_code.scss
index caa5f06..8e2b2a7 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_code.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_code.scss
@@ -27,12 +27,12 @@ kbd {
   color: $kbd-color;
   background-color: $kbd-bg;
   border-radius: $border-radius-small;
-  box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);
+  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .25);
 
   kbd {
     padding: 0;
     font-size: 100%;
-    font-weight: bold;
+    font-weight: 700;
     box-shadow: none;
   }
 }
@@ -44,9 +44,9 @@ pre {
   margin: 0 0 ($line-height-computed / 2);
   font-size: ($font-size-base - 1); // 14px to 13px
   line-height: $line-height-base;
+  color: $pre-color;
   word-break: break-all;
   word-wrap: break-word;
-  color: $pre-color;
   background-color: $pre-bg;
   border: 1px solid $pre-border-color;
   border-radius: $border-radius-base;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_component-animations.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_component-animations.scss
index ca3b43c..ca4d6b0 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_component-animations.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_component-animations.scss
@@ -10,6 +10,7 @@
 .fade {
   opacity: 0;
   @include transition(opacity .15s linear);
+
   &.in {
     opacity: 1;
   }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_dropdowns.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_dropdowns.scss
index aac8459..0a5898a 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_dropdowns.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_dropdowns.scss
@@ -10,10 +10,10 @@
   height: 0;
   margin-left: 2px;
   vertical-align: middle;
-  border-top:   $caret-width-base dashed;
-  border-top:   $caret-width-base solid \9; // IE8
+  border-top: $caret-width-base dashed;
+  border-top: $caret-width-base solid \9; // IE8
   border-right: $caret-width-base solid transparent;
-  border-left:  $caret-width-base solid transparent;
+  border-left: $caret-width-base solid transparent;
 }
 
 // The dropdown wrapper (div)
@@ -38,15 +38,15 @@
   min-width: 160px;
   padding: 5px 0;
   margin: 2px 0 0; // override default ul
-  list-style: none;
   font-size: $font-size-base;
   text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
+  list-style: none;
   background-color: $dropdown-bg;
+  background-clip: padding-box;
   border: 1px solid $dropdown-fallback-border; // IE8 fallback
   border: 1px solid $dropdown-border;
   border-radius: $border-radius-base;
-  @include box-shadow(0 6px 12px rgba(0,0,0,.175));
-  background-clip: padding-box;
+  @include box-shadow(0 6px 12px rgba(0, 0, 0, .175));
 
   // Aligns the dropdown menu to right
   //
@@ -66,20 +66,17 @@
     display: block;
     padding: 3px 20px;
     clear: both;
-    font-weight: normal;
+    font-weight: 400;
     line-height: $line-height-base;
     color: $dropdown-link-color;
     white-space: nowrap; // prevent links from randomly breaking onto new lines
-  }
-}
 
-// Hover/Focus state
-.dropdown-menu > li > a {
-  &:hover,
-  &:focus {
-    text-decoration: none;
-    color: $dropdown-link-hover-color;
-    background-color: $dropdown-link-hover-bg;
+    &:hover,
+    &:focus {
+      color: $dropdown-link-hover-color;
+      text-decoration: none;
+      background-color: $dropdown-link-hover-bg;
+    }
   }
 }
 
@@ -90,8 +87,8 @@
   &:focus {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    outline: 0;
     background-color: $dropdown-link-active-bg;
+    outline: 0;
   }
 }
 
@@ -110,10 +107,10 @@
   &:hover,
   &:focus {
     text-decoration: none;
+    cursor: $cursor-disabled;
     background-color: transparent;
     background-image: none; // Remove CSS gradient
     @include reset-filter;
-    cursor: $cursor-disabled;
   }
 }
 
@@ -135,8 +132,8 @@
 // Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
 // menu with the parent.
 .dropdown-menu-right {
-  left: auto; // Reset the default from `.dropdown-menu`
   right: 0;
+  left: auto; // Reset the default from `.dropdown-menu`
 }
 // With v3, we enabled auto-flipping if you have a dropdown within a right
 // aligned nav component. To enable the undoing of that, we provide an override
@@ -145,8 +142,8 @@
 // This is only for left-aligning a dropdown menu within a `.navbar-right` or
 // `.pull-right` nav component.
 .dropdown-menu-left {
-  left: 0;
   right: auto;
+  left: 0;
 }
 
 // Dropdown section headers
@@ -162,10 +159,10 @@
 // Backdrop to catch body clicks on mobile, etc.
 .dropdown-backdrop {
   position: fixed;
-  left: 0;
+  top: 0;
   right: 0;
   bottom: 0;
-  top: 0;
+  left: 0;
   z-index: ($zindex-dropdown - 10);
 }
 
@@ -184,10 +181,10 @@
 .navbar-fixed-bottom .dropdown {
   // Reverse the caret
   .caret {
+    content: "";
     border-top: 0;
     border-bottom: $caret-width-base dashed;
     border-bottom: $caret-width-base solid \9; // IE8
-    content: "";
   }
   // Different positioning for bottom up menu
   .dropdown-menu {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_forms.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_forms.scss
index ac26a6a..d2e2bac 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_forms.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_forms.scss
@@ -8,13 +8,13 @@
 // Restyle and baseline non-control form elements.
 
 fieldset {
-  padding: 0;
-  margin: 0;
-  border: 0;
   // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
   // so we reset that to ensure it behaves more like a standard block element.
   // See https://github.com/twbs/bootstrap/issues/12359.
   min-width: 0;
+  padding: 0;
+  margin: 0;
+  border: 0;
 }
 
 legend {
@@ -33,7 +33,7 @@ label {
   display: inline-block;
   max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
   margin-bottom: 5px;
-  font-weight: bold;
+  font-weight: 700;
 }
 
 
@@ -43,9 +43,18 @@ label {
 // is required to ensure optimum display with or without those classes to better
 // address browser inconsistencies.
 
-// Override content-box in Normalize (* isn't specific enough)
 input[type="search"] {
+  // Override content-box in Normalize (* isn't specific enough)
   @include box-sizing(border-box);
+
+  // Search inputs in iOS
+  //
+  // This overrides the extra rounded corners on search inputs in iOS so that our
+  // `.form-control` class can properly style them. Note that this cannot simply
+  // be added to `.form-control` as it's not specific enough. For details, see
+  // https://github.com/twbs/bootstrap/issues/11586.
+  -webkit-appearance: none;
+  appearance: none;
 }
 
 // Position radios and checkboxes better
@@ -54,6 +63,16 @@ input[type="checkbox"] {
   margin: 4px 0 0;
   margin-top: 1px \9; // IE8-9
   line-height: normal;
+
+  // Apply same disabled cursor tweak as for inputs
+  // Some special care is needed because <label>s don't inherit their parent's `cursor`.
+  //
+  // Note: Neither radios nor checkboxes can be readonly.
+  &[disabled],
+  &.disabled,
+  fieldset[disabled] & {
+    cursor: $cursor-disabled;
+  }
 }
 
 input[type="file"] {
@@ -123,7 +142,7 @@ output {
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid $input-border;
   border-radius: $input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
-  @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
+  @include box-shadow(inset 0 1px 1px rgba(0, 0, 0, .075));
   @include transition(border-color ease-in-out .15s, box-shadow ease-in-out .15s);
 
   // Customize the `:focus` state to imitate native WebKit styles.
@@ -134,8 +153,8 @@ output {
 
   // Unstyle the caret on `<select>`s in IE10+.
   &::-ms-expand {
-    border: 0;
     background-color: transparent;
+    border: 0;
   }
 
   // Disabled and read-only inputs
@@ -164,18 +183,6 @@ textarea.form-control {
 }
 
 
-// Search inputs in iOS
-//
-// This overrides the extra rounded corners on search inputs in iOS so that our
-// `.form-control` class can properly style them. Note that this cannot simply
-// be added to `.form-control` as it's not specific enough. For details, see
-// https://github.com/twbs/bootstrap/issues/11586.
-
-input[type="search"] {
-  -webkit-appearance: none;
-}
-
-
 // Special styles for iOS temporal inputs
 //
 // In Mobile Safari, setting `display: block` on temporal inputs causes the
@@ -228,11 +235,19 @@ input[type="search"] {
   margin-top: 10px;
   margin-bottom: 10px;
 
+  // These are used on elements with <label> descendants
+  &.disabled,
+  fieldset[disabled] & {
+    label {
+      cursor: $cursor-disabled;
+    }
+  }
+
   label {
     min-height: $line-height-computed; // Ensure the input doesn't jump when there is no text
     padding-left: 20px;
     margin-bottom: 0;
-    font-weight: normal;
+    font-weight: 400;
     cursor: pointer;
   }
 }
@@ -241,8 +256,8 @@ input[type="search"] {
 .checkbox input[type="checkbox"],
 .checkbox-inline input[type="checkbox"] {
   position: absolute;
-  margin-left: -20px;
   margin-top: 4px \9;
+  margin-left: -20px;
 }
 
 .radio + .radio,
@@ -257,9 +272,15 @@ input[type="search"] {
   display: inline-block;
   padding-left: 20px;
   margin-bottom: 0;
+  font-weight: 400;
   vertical-align: middle;
-  font-weight: normal;
   cursor: pointer;
+
+  // These are used directly on <label>s
+  &.disabled,
+  fieldset[disabled] & {
+    cursor: $cursor-disabled;
+  }
 }
 .radio-inline + .radio-inline,
 .checkbox-inline + .checkbox-inline {
@@ -267,37 +288,6 @@ input[type="search"] {
   margin-left: 10px; // space out consecutive inline controls
 }
 
-// Apply same disabled cursor tweak as for inputs
-// Some special care is needed because <label>s don't inherit their parent's `cursor`.
-//
-// Note: Neither radios nor checkboxes can be readonly.
-input[type="radio"],
-input[type="checkbox"] {
-  &[disabled],
-  &.disabled,
-  fieldset[disabled] & {
-    cursor: $cursor-disabled;
-  }
-}
-// These classes are used directly on <label>s
-.radio-inline,
-.checkbox-inline {
-  &.disabled,
-  fieldset[disabled] & {
-    cursor: $cursor-disabled;
-  }
-}
-// These classes are used on elements with <label> descendants
-.radio,
-.checkbox {
-  &.disabled,
-  fieldset[disabled] & {
-    label {
-      cursor: $cursor-disabled;
-    }
-  }
-}
-
 
 // Static form control text
 //
@@ -305,17 +295,17 @@ input[type="checkbox"] {
 // a horizontal form layout.
 
 .form-control-static {
+  min-height: ($line-height-computed + $font-size-base);
   // Size it appropriately next to real form controls
   padding-top: ($padding-base-vertical + 1);
   padding-bottom: ($padding-base-vertical + 1);
   // Remove default margin from `p`
   margin-bottom: 0;
-  min-height: ($line-height-computed + $font-size-base);
 
   &.input-lg,
   &.input-sm {
-    padding-left: 0;
     padding-right: 0;
+    padding-left: 0;
   }
 }
 
@@ -560,9 +550,9 @@ input[type="checkbox"] {
   .checkbox,
   .radio-inline,
   .checkbox-inline {
+    padding-top: ($padding-base-vertical + 1); // Default padding plus a border
     margin-top: 0;
     margin-bottom: 0;
-    padding-top: ($padding-base-vertical + 1); // Default padding plus a border
   }
   // Account for padding we're adding to ensure the alignment and of help text
   // and other content below items
@@ -580,9 +570,9 @@ input[type="checkbox"] {
   // labels on narrow viewports stack the same as a default form example.
   @media (min-width: $screen-sm-min) {
     .control-label {
-      text-align: right;
-      margin-bottom: 0;
       padding-top: ($padding-base-vertical + 1); // Default padding plus a border
+      margin-bottom: 0;
+      text-align: right;
     }
   }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_glyphicons.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_glyphicons.scss
index 07a0fc9..bd5966d 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_glyphicons.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_glyphicons.scss
@@ -10,13 +10,13 @@
 @at-root {
   // Import the fonts
   @font-face {
-    font-family: 'Glyphicons Halflings';
-    src: url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.eot'), '#{$icon-font-path}#{$icon-font-name}.eot'));
-    src: url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.eot?#iefix'), '#{$icon-font-path}#{$icon-font-name}.eot?#iefix')) format('embedded-opentype'),
-         url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.woff2'), '#{$icon-font-path}#{$icon-font-name}.woff2')) format('woff2'),
-         url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.woff'), '#{$icon-font-path}#{$icon-font-name}.woff')) format('woff'),
-         url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.ttf'), '#{$icon-font-path}#{$icon-font-name}.ttf')) format('truetype'),
-         url(if($bootstrap-sass-asset-helper, twbs-font-path('#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}'), '#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}')) format('svg');
+    font-family: "Glyphicons Halflings";
+    src: url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.eot"), "#{$icon-font-path}#{$icon-font-name}.eot"));
+    src: url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.eot?#iefix"), "#{$icon-font-path}#{$icon-font-name}.eot?#iefix")) format("embedded-opentype"),
+         url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.woff2"), "#{$icon-font-path}#{$icon-font-name}.woff2")) format("woff2"),
+         url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.woff"), "#{$icon-font-path}#{$icon-font-name}.woff")) format("woff"),
+         url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.ttf"), "#{$icon-font-path}#{$icon-font-name}.ttf")) format("truetype"),
+         url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}"), "#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}")) format("svg");
   }
 }
 
@@ -25,9 +25,9 @@
   position: relative;
   top: 1px;
   display: inline-block;
-  font-family: 'Glyphicons Halflings';
+  font-family: "Glyphicons Halflings";
   font-style: normal;
-  font-weight: normal;
+  font-weight: 400;
   line-height: 1;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_grid.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_grid.scss
index b15ca27..2ddb73d 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_grid.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_grid.scss
@@ -40,6 +40,16 @@
   @include make-row;
 }
 
+.row-no-gutters {
+  margin-right: 0;
+  margin-left: 0;
+
+  [class*="col-"] {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+
 
 // Columns
 //
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_input-groups.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_input-groups.scss
index 81f46f3..04015fe 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_input-groups.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_input-groups.scss
@@ -12,8 +12,8 @@
   // Undo padding and float of grid classes
   &[class*="col-"] {
     float: none;
-    padding-left: 0;
     padding-right: 0;
+    padding-left: 0;
   }
 
   .form-control {
@@ -77,7 +77,7 @@
 .input-group-addon {
   padding: $padding-base-vertical $padding-base-horizontal;
   font-size: $font-size-base;
-  font-weight: normal;
+  font-weight: 400;
   line-height: 1;
   color: $input-color;
   text-align: center;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_jumbotron.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_jumbotron.scss
index a27da47..7215b99 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_jumbotron.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_jumbotron.scss
@@ -4,7 +4,7 @@
 
 
 .jumbotron {
-  padding-top:    $jumbotron-padding;
+  padding-top: $jumbotron-padding;
   padding-bottom: $jumbotron-padding;
   margin-bottom: $jumbotron-padding;
   color: $jumbotron-color;
@@ -27,9 +27,9 @@
 
   .container &,
   .container-fluid & {
-    border-radius: $border-radius-large; // Only round corners at higher resolutions if contained in a container
-    padding-left:  ($grid-gutter-width / 2);
     padding-right: ($grid-gutter-width / 2);
+    padding-left: ($grid-gutter-width / 2);
+    border-radius: $border-radius-large; // Only round corners at higher resolutions if contained in a container
   }
 
   .container {
@@ -37,13 +37,13 @@
   }
 
   @media screen and (min-width: $screen-sm-min) {
-    padding-top:    ($jumbotron-padding * 1.6);
+    padding-top: ($jumbotron-padding * 1.6);
     padding-bottom: ($jumbotron-padding * 1.6);
 
     .container &,
     .container-fluid & {
-      padding-left:  ($jumbotron-padding * 2);
       padding-right: ($jumbotron-padding * 2);
+      padding-left: ($jumbotron-padding * 2);
     }
 
     h1,
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_labels.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_labels.scss
index 42ed6ea..f7f3013 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_labels.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_labels.scss
@@ -6,7 +6,7 @@
   display: inline;
   padding: .2em .6em .3em;
   font-size: 75%;
-  font-weight: bold;
+  font-weight: 700;
   line-height: 1;
   color: $label-color;
   text-align: center;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_list-group.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_list-group.scss
index 7cb83aa..529f179 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_list-group.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_list-group.scss
@@ -9,8 +9,8 @@
 
 .list-group {
   // No need to set list-style: none; since .list-group-item is block level
-  margin-bottom: 20px;
   padding-left: 0; // reset padding because ul and ol
+  margin-bottom: 20px;
 }
 
 
@@ -35,44 +35,14 @@
     margin-bottom: 0;
     @include border-bottom-radius($list-group-border-radius);
   }
-}
 
-
-// Interactive list items
-//
-// Use anchor or button elements instead of `li`s or `div`s to create interactive items.
-// Includes an extra `.active` modifier class for showing selected items.
-
-a.list-group-item,
-button.list-group-item {
-  color: $list-group-link-color;
-
-  .list-group-item-heading {
-    color: $list-group-link-heading-color;
-  }
-
-  // Hover state
-  &:hover,
-  &:focus {
-    text-decoration: none;
-    color: $list-group-link-hover-color;
-    background-color: $list-group-hover-bg;
-  }
-}
-
-button.list-group-item {
-  width: 100%;
-  text-align: left;
-}
-
-.list-group-item {
   // Disabled state
   &.disabled,
   &.disabled:hover,
   &.disabled:focus {
-    background-color: $list-group-disabled-bg;
     color: $list-group-disabled-color;
     cursor: $cursor-disabled;
+    background-color: $list-group-disabled-bg;
 
     // Force color to inherit for custom content
     .list-group-item-heading {
@@ -105,6 +75,34 @@ button.list-group-item {
 }
 
 
+// Interactive list items
+//
+// Use anchor or button elements instead of `li`s or `div`s to create interactive items.
+// Includes an extra `.active` modifier class for showing selected items.
+
+a.list-group-item,
+button.list-group-item {
+  color: $list-group-link-color;
+
+  .list-group-item-heading {
+    color: $list-group-link-heading-color;
+  }
+
+  // Hover state
+  &:hover,
+  &:focus {
+    color: $list-group-link-hover-color;
+    text-decoration: none;
+    background-color: $list-group-hover-bg;
+  }
+}
+
+button.list-group-item {
+  width: 100%;
+  text-align: left;
+}
+
+
 // Contextual variants
 //
 // Add modifier classes to change text and background color on individual items.
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_media.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_media.scss
index 8c835e8..e4ae445 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_media.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_media.scss
@@ -9,8 +9,8 @@
 
 .media,
 .media-body {
-  zoom: 1;
   overflow: hidden;
+  zoom: 1;
 }
 
 .media-body {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_modals.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_modals.scss
index 823870f..cf59bef 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_modals.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_modals.scss
@@ -14,14 +14,14 @@
 
 // Container that the modal scrolls within
 .modal {
-  display: none;
-  overflow: hidden;
   position: fixed;
   top: 0;
   right: 0;
   bottom: 0;
   left: 0;
   z-index: $zindex-modal;
+  display: none;
+  overflow: hidden;
   -webkit-overflow-scrolling: touch;
 
   // Prevent Chrome on Windows from adding a focus outline. For details, see
@@ -33,7 +33,7 @@
     @include translate(0, -25%);
     @include transition-transform(0.3s ease-out);
   }
-  &.in .modal-dialog { @include translate(0, 0) }
+  &.in .modal-dialog { @include translate(0, 0); }
 }
 .modal-open .modal {
   overflow-x: hidden;
@@ -51,11 +51,11 @@
 .modal-content {
   position: relative;
   background-color: $modal-content-bg;
+  background-clip: padding-box;
   border: 1px solid $modal-content-fallback-border-color; //old browsers fallback (ie8 etc)
   border: 1px solid $modal-content-border-color;
   border-radius: $border-radius-large;
-  @include box-shadow(0 3px 9px rgba(0,0,0,.5));
-  background-clip: padding-box;
+  @include box-shadow(0 3px 9px rgba(0, 0, 0, .5));
   // Remove focus outline from opened modal
   outline: 0;
 }
@@ -108,8 +108,8 @@
 
   // Properly space out buttons
   .btn + .btn {
-    margin-left: 5px;
     margin-bottom: 0; // account for input[type="submit"] which gets the bottom margin like all other inputs
+    margin-left: 5px;
   }
   // but override that for button groups
   .btn-group .btn + .btn {
@@ -138,7 +138,7 @@
     margin: 30px auto;
   }
   .modal-content {
-    @include box-shadow(0 5px 15px rgba(0,0,0,.5));
+    @include box-shadow(0 5px 15px rgba(0, 0, 0, .5));
   }
 
   // Modal sizes
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navbar.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navbar.scss
index 11e5c01..5d9093a 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navbar.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navbar.scss
@@ -48,11 +48,11 @@
 // content for the user's viewport.
 
 .navbar-collapse {
-  overflow-x: visible;
   padding-right: $navbar-padding-horizontal;
-  padding-left:  $navbar-padding-horizontal;
+  padding-left: $navbar-padding-horizontal;
+  overflow-x: visible;
   border-top: 1px solid transparent;
-  box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1);
   @include clearfix;
   -webkit-overflow-scrolling: touch;
 
@@ -81,8 +81,8 @@
     .navbar-fixed-top &,
     .navbar-static-top &,
     .navbar-fixed-bottom & {
-      padding-left: 0;
       padding-right: 0;
+      padding-left: 0;
     }
   }
 }
@@ -96,6 +96,27 @@
       max-height: 200px;
     }
   }
+
+  // Fix the top/bottom navbars when screen real estate supports it
+  position: fixed;
+  right: 0;
+  left: 0;
+  z-index: $zindex-navbar-fixed;
+
+  // Undo the rounded corners
+  @media (min-width: $grid-float-breakpoint) {
+    border-radius: 0;
+  }
+}
+
+.navbar-fixed-top {
+  top: 0;
+  border-width: 0 0 1px;
+}
+.navbar-fixed-bottom {
+  bottom: 0;
+  margin-bottom: 0; // override .navbar defaults
+  border-width: 1px 0 0;
 }
 
 
@@ -108,11 +129,11 @@
   > .navbar-header,
   > .navbar-collapse {
     margin-right: -$navbar-padding-horizontal;
-    margin-left:  -$navbar-padding-horizontal;
+    margin-left: -$navbar-padding-horizontal;
 
     @media (min-width: $grid-float-breakpoint) {
       margin-right: 0;
-      margin-left:  0;
+      margin-left: 0;
     }
   }
 }
@@ -134,38 +155,15 @@
   }
 }
 
-// Fix the top/bottom navbars when screen real estate supports it
-.navbar-fixed-top,
-.navbar-fixed-bottom {
-  position: fixed;
-  right: 0;
-  left: 0;
-  z-index: $zindex-navbar-fixed;
-
-  // Undo the rounded corners
-  @media (min-width: $grid-float-breakpoint) {
-    border-radius: 0;
-  }
-}
-.navbar-fixed-top {
-  top: 0;
-  border-width: 0 0 1px;
-}
-.navbar-fixed-bottom {
-  bottom: 0;
-  margin-bottom: 0; // override .navbar defaults
-  border-width: 1px 0 0;
-}
-
 
 // Brand/project name
 
 .navbar-brand {
   float: left;
+  height: $navbar-height;
   padding: $navbar-padding-vertical $navbar-padding-horizontal;
   font-size: $font-size-large;
   line-height: $line-height-computed;
-  height: $navbar-height;
 
   &:hover,
   &:focus {
@@ -193,8 +191,8 @@
 .navbar-toggle {
   position: relative;
   float: right;
-  margin-right: $navbar-padding-horizontal;
   padding: 9px 10px;
+  margin-right: $navbar-padding-horizontal;
   @include navbar-vertical-align(34px);
   background-color: transparent;
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
@@ -233,7 +231,7 @@
   margin: ($navbar-padding-vertical / 2) (-$navbar-padding-horizontal);
 
   > li > a {
-    padding-top:    10px;
+    padding-top: 10px;
     padding-bottom: 10px;
     line-height: $line-height-computed;
   }
@@ -270,7 +268,7 @@
     > li {
       float: left;
       > a {
-        padding-top:    $navbar-padding-vertical;
+        padding-top: $navbar-padding-vertical;
         padding-bottom: $navbar-padding-vertical;
       }
     }
@@ -284,12 +282,12 @@
 // our navbars.
 
 .navbar-form {
-  margin-left: -$navbar-padding-horizontal;
-  margin-right: -$navbar-padding-horizontal;
   padding: 10px $navbar-padding-horizontal;
+  margin-right: -$navbar-padding-horizontal;
+  margin-left: -$navbar-padding-horizontal;
   border-top: 1px solid transparent;
   border-bottom: 1px solid transparent;
-  $shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
+  $shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1);
   @include box-shadow($shadow);
 
   // Mixin behavior for optimum display
@@ -311,11 +309,11 @@
   // Undo 100% width for pull classes
   @media (min-width: $grid-float-breakpoint) {
     width: auto;
-    border: 0;
-    margin-left: 0;
-    margin-right: 0;
     padding-top: 0;
     padding-bottom: 0;
+    margin-right: 0;
+    margin-left: 0;
+    border: 0;
     @include box-shadow(none);
   }
 }
@@ -361,8 +359,8 @@
 
   @media (min-width: $grid-float-breakpoint) {
     float: left;
-    margin-left: $navbar-padding-horizontal;
     margin-right: $navbar-padding-horizontal;
+    margin-left: $navbar-padding-horizontal;
   }
 }
 
@@ -437,33 +435,15 @@
         background-color: $navbar-default-link-disabled-bg;
       }
     }
-  }
 
-  .navbar-toggle {
-    border-color: $navbar-default-toggle-border-color;
-    &:hover,
-    &:focus {
-      background-color: $navbar-default-toggle-hover-bg;
-    }
-    .icon-bar {
-      background-color: $navbar-default-toggle-icon-bar-bg;
-    }
-  }
-
-  .navbar-collapse,
-  .navbar-form {
-    border-color: $navbar-default-border;
-  }
-
-  // Dropdown menu items
-  .navbar-nav {
+    // Dropdown menu items
     // Remove background color from open dropdown
     > .open > a {
       &,
       &:hover,
       &:focus {
-        background-color: $navbar-default-link-active-bg;
         color: $navbar-default-link-active-color;
+        background-color: $navbar-default-link-active-bg;
       }
     }
 
@@ -498,6 +478,22 @@
     }
   }
 
+  .navbar-toggle {
+    border-color: $navbar-default-toggle-border-color;
+    &:hover,
+    &:focus {
+      background-color: $navbar-default-toggle-hover-bg;
+    }
+    .icon-bar {
+      background-color: $navbar-default-toggle-icon-bar-bg;
+    }
+  }
+
+  .navbar-collapse,
+  .navbar-form {
+    border-color: $navbar-default-border;
+  }
+
 
   // Links in navbars
   //
@@ -571,33 +567,14 @@
         background-color: $navbar-inverse-link-disabled-bg;
       }
     }
-  }
 
-  // Darken the responsive nav toggle
-  .navbar-toggle {
-    border-color: $navbar-inverse-toggle-border-color;
-    &:hover,
-    &:focus {
-      background-color: $navbar-inverse-toggle-hover-bg;
-    }
-    .icon-bar {
-      background-color: $navbar-inverse-toggle-icon-bar-bg;
-    }
-  }
-
-  .navbar-collapse,
-  .navbar-form {
-    border-color: darken($navbar-inverse-bg, 7%);
-  }
-
-  // Dropdowns
-  .navbar-nav {
+    // Dropdowns
     > .open > a {
       &,
       &:hover,
       &:focus {
-        background-color: $navbar-inverse-link-active-bg;
         color: $navbar-inverse-link-active-color;
+        background-color: $navbar-inverse-link-active-bg;
       }
     }
 
@@ -638,6 +615,23 @@
     }
   }
 
+  // Darken the responsive nav toggle
+  .navbar-toggle {
+    border-color: $navbar-inverse-toggle-border-color;
+    &:hover,
+    &:focus {
+      background-color: $navbar-inverse-toggle-hover-bg;
+    }
+    .icon-bar {
+      background-color: $navbar-inverse-toggle-icon-bar-bg;
+    }
+  }
+
+  .navbar-collapse,
+  .navbar-form {
+    border-color: darken($navbar-inverse-bg, 7%);
+  }
+
   .navbar-link {
     color: $navbar-inverse-link-color;
     &:hover {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navs.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navs.scss
index 9d369f3..f4f0a55 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navs.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_navs.scss
@@ -7,8 +7,8 @@
 // --------------------------------------------------
 
 .nav {
-  margin-bottom: 0;
   padding-left: 0; // Override default ul/ol
+  margin-bottom: 0;
   list-style: none;
   @include clearfix;
 
@@ -35,8 +35,8 @@
       &:focus {
         color: $nav-disabled-link-hover-color;
         text-decoration: none;
-        background-color: transparent;
         cursor: $cursor-disabled;
+        background-color: transparent;
       }
     }
   }
@@ -97,10 +97,10 @@
       &:hover,
       &:focus {
         color: $nav-tabs-active-link-hover-color;
+        cursor: default;
         background-color: $nav-tabs-active-link-hover-bg;
         border: 1px solid $nav-tabs-active-link-hover-border-color;
         border-bottom-color: transparent;
-        cursor: default;
       }
     }
   }
@@ -163,8 +163,8 @@
   > li {
     float: none;
     > a {
-      text-align: center;
       margin-bottom: 5px;
+      text-align: center;
     }
   }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_normalize.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_normalize.scss
index 9dddf73..7850b9a 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_normalize.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_normalize.scss
@@ -104,11 +104,14 @@ a:hover {
 // ==========================================================================
 
 //
-// Address styling not present in IE 8/9/10/11, Safari, and Chrome.
+// 1. Remove the bottom border in Chrome 57- and Firefox 39-.
+// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 //
 
 abbr[title] {
-  border-bottom: 1px dotted;
+  border-bottom: none; // 1
+  text-decoration: underline; // 2
+  text-decoration: underline dotted; // 2
 }
 
 //
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pager.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pager.scss
index c234217..0762238 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pager.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pager.scss
@@ -6,8 +6,8 @@
 .pager {
   padding-left: 0;
   margin: $line-height-computed 0;
-  list-style: none;
   text-align: center;
+  list-style: none;
   @include clearfix;
   li {
     display: inline;
@@ -47,8 +47,8 @@
     > a:focus,
     > span {
       color: $pager-disabled-color;
-      background-color: $pager-bg;
       cursor: $cursor-disabled;
+      background-color: $pager-bg;
     }
   }
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pagination.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pagination.scss
index fecfa9c..c530828 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pagination.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_pagination.scss
@@ -14,12 +14,20 @@
       position: relative;
       float: left; // Collapse white-space
       padding: $padding-base-vertical $padding-base-horizontal;
+      margin-left: -1px;
       line-height: $line-height-base;
-      text-decoration: none;
       color: $pagination-color;
+      text-decoration: none;
       background-color: $pagination-bg;
       border: 1px solid $pagination-border;
-      margin-left: -1px;
+
+      &:hover,
+      &:focus {
+        z-index: 2;
+        color: $pagination-hover-color;
+        background-color: $pagination-hover-bg;
+        border-color: $pagination-hover-border;
+      }
     }
     &:first-child {
       > a,
@@ -36,17 +44,6 @@
     }
   }
 
-  > li > a,
-  > li > span {
-    &:hover,
-    &:focus {
-      z-index: 2;
-      color: $pagination-hover-color;
-      background-color: $pagination-hover-bg;
-      border-color: $pagination-hover-border;
-    }
-  }
-
   > .active > a,
   > .active > span {
     &,
@@ -54,9 +51,9 @@
     &:focus {
       z-index: 3;
       color: $pagination-active-color;
+      cursor: default;
       background-color: $pagination-active-bg;
       border-color: $pagination-active-border;
-      cursor: default;
     }
   }
 
@@ -68,9 +65,9 @@
     > a:hover,
     > a:focus {
       color: $pagination-disabled-color;
+      cursor: $cursor-disabled;
       background-color: $pagination-disabled-bg;
       border-color: $pagination-disabled-border;
-      cursor: $cursor-disabled;
     }
   }
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_panels.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_panels.scss
index 6c568de..8947ed2 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_panels.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_panels.scss
@@ -9,7 +9,7 @@
   background-color: $panel-bg;
   border: 1px solid transparent;
   border-radius: $panel-border-radius;
-  @include box-shadow(0 1px 1px rgba(0,0,0,.05));
+  @include box-shadow(0 1px 1px rgba(0, 0, 0, .05));
 }
 
 // Panel contents
@@ -113,8 +113,8 @@
     margin-bottom: 0;
 
     caption {
-      padding-left: $panel-body-padding;
       padding-right: $panel-body-padding;
+      padding-left: $panel-body-padding;
     }
   }
   // Add border top radius for first one
@@ -147,8 +147,8 @@
     > tbody:last-child,
     > tfoot:last-child {
       > tr:last-child {
-        border-bottom-left-radius: ($panel-border-radius - 1);
         border-bottom-right-radius: ($panel-border-radius - 1);
+        border-bottom-left-radius: ($panel-border-radius - 1);
 
         td:first-child,
         th:first-child {
@@ -208,8 +208,8 @@
     }
   }
   > .table-responsive {
-    border: 0;
     margin-bottom: 0;
+    border: 0;
   }
 }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_popovers.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_popovers.scss
index 9b90a2e..6f83842 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_popovers.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_popovers.scss
@@ -15,99 +15,81 @@
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text;
   font-size: $font-size-base;
-
   background-color: $popover-bg;
   background-clip: padding-box;
   border: 1px solid $popover-fallback-border-color;
   border: 1px solid $popover-border-color;
   border-radius: $border-radius-large;
-  @include box-shadow(0 5px 10px rgba(0,0,0,.2));
+  @include box-shadow(0 5px 10px rgba(0, 0, 0, .2));
 
   // Offset the popover to account for the popover arrow
-  &.top     { margin-top: -$popover-arrow-width; }
-  &.right   { margin-left: $popover-arrow-width; }
-  &.bottom  { margin-top: $popover-arrow-width; }
-  &.left    { margin-left: -$popover-arrow-width; }
-}
+  &.top { margin-top: -$popover-arrow-width; }
+  &.right { margin-left: $popover-arrow-width; }
+  &.bottom { margin-top: $popover-arrow-width; }
+  &.left { margin-left: -$popover-arrow-width; }
 
-.popover-title {
-  margin: 0; // reset heading margin
-  padding: 8px 14px;
-  font-size: $font-size-base;
-  background-color: $popover-title-bg;
-  border-bottom: 1px solid darken($popover-title-bg, 5%);
-  border-radius: ($border-radius-large - 1) ($border-radius-large - 1) 0 0;
-}
+  // Arrows
+  // .arrow is outer, .arrow:after is inner
+  > .arrow {
+    border-width: $popover-arrow-outer-width;
 
-.popover-content {
-  padding: 9px 14px;
-}
+    &,
+    &:after {
+      position: absolute;
+      display: block;
+      width: 0;
+      height: 0;
+      border-color: transparent;
+      border-style: solid;
+    }
 
-// Arrows
-//
-// .arrow is outer, .arrow:after is inner
-
-.popover > .arrow {
-  &,
-  &:after {
-    position: absolute;
-    display: block;
-    width: 0;
-    height: 0;
-    border-color: transparent;
-    border-style: solid;
+    &:after {
+      content: "";
+      border-width: $popover-arrow-width;
+    }
   }
-}
-.popover > .arrow {
-  border-width: $popover-arrow-outer-width;
-}
-.popover > .arrow:after {
-  border-width: $popover-arrow-width;
-  content: "";
-}
 
-.popover {
   &.top > .arrow {
+    bottom: -$popover-arrow-outer-width;
     left: 50%;
     margin-left: -$popover-arrow-outer-width;
-    border-bottom-width: 0;
     border-top-color: $popover-arrow-outer-fallback-color; // IE8 fallback
     border-top-color: $popover-arrow-outer-color;
-    bottom: -$popover-arrow-outer-width;
+    border-bottom-width: 0;
     &:after {
-      content: " ";
       bottom: 1px;
       margin-left: -$popover-arrow-width;
-      border-bottom-width: 0;
+      content: " ";
       border-top-color: $popover-arrow-color;
+      border-bottom-width: 0;
     }
   }
   &.right > .arrow {
     top: 50%;
     left: -$popover-arrow-outer-width;
     margin-top: -$popover-arrow-outer-width;
-    border-left-width: 0;
     border-right-color: $popover-arrow-outer-fallback-color; // IE8 fallback
     border-right-color: $popover-arrow-outer-color;
+    border-left-width: 0;
     &:after {
-      content: " ";
-      left: 1px;
       bottom: -$popover-arrow-width;
-      border-left-width: 0;
+      left: 1px;
+      content: " ";
       border-right-color: $popover-arrow-color;
+      border-left-width: 0;
     }
   }
   &.bottom > .arrow {
+    top: -$popover-arrow-outer-width;
     left: 50%;
     margin-left: -$popover-arrow-outer-width;
     border-top-width: 0;
     border-bottom-color: $popover-arrow-outer-fallback-color; // IE8 fallback
     border-bottom-color: $popover-arrow-outer-color;
-    top: -$popover-arrow-outer-width;
     &:after {
-      content: " ";
       top: 1px;
       margin-left: -$popover-arrow-width;
+      content: " ";
       border-top-width: 0;
       border-bottom-color: $popover-arrow-color;
     }
@@ -121,11 +103,24 @@
     border-left-color: $popover-arrow-outer-fallback-color; // IE8 fallback
     border-left-color: $popover-arrow-outer-color;
     &:after {
-      content: " ";
       right: 1px;
+      bottom: -$popover-arrow-width;
+      content: " ";
       border-right-width: 0;
       border-left-color: $popover-arrow-color;
-      bottom: -$popover-arrow-width;
     }
   }
 }
+
+.popover-title {
+  padding: 8px 14px;
+  margin: 0; // reset heading margin
+  font-size: $font-size-base;
+  background-color: $popover-title-bg;
+  border-bottom: 1px solid darken($popover-title-bg, 5%);
+  border-radius: ($border-radius-large - 1) ($border-radius-large - 1) 0 0;
+}
+
+.popover-content {
+  padding: 9px 14px;
+}
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_print.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_print.scss
index 66e54ab..564f304 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_print.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_print.scss
@@ -6,96 +6,94 @@
 // ==========================================================================
 
 @media print {
-    *,
-    *:before,
-    *:after {
-        background: transparent !important;
-        color: #000 !important; // Black prints faster: h5bp.com/s
-        box-shadow: none !important;
-        text-shadow: none !important;
-    }
+  *,
+  *:before,
+  *:after {
+    color: #000 !important; // Black prints faster: h5bp.com/s
+    text-shadow: none !important;
+    background: transparent !important;
+    box-shadow: none !important;
+  }
 
-    a,
-    a:visited {
-        text-decoration: underline;
-    }
+  a,
+  a:visited {
+    text-decoration: underline;
+  }
 
-    a[href]:after {
-        content: " (" attr(href) ")";
-    }
+  a[href]:after {
+    content: " (" attr(href) ")";
+  }
 
-    abbr[title]:after {
-        content: " (" attr(title) ")";
-    }
+  abbr[title]:after {
+    content: " (" attr(title) ")";
+  }
 
-    // Don't show links that are fragment identifiers,
-    // or use the `javascript:` pseudo protocol
-    a[href^="#"]:after,
-    a[href^="javascript:"]:after {
-        content: "";
-    }
+  // Don't show links that are fragment identifiers,
+  // or use the `javascript:` pseudo protocol
+  a[href^="#"]:after,
+  a[href^="javascript:"]:after {
+    content: "";
+  }
 
-    pre,
-    blockquote {
-        border: 1px solid #999;
-        page-break-inside: avoid;
-    }
+  pre,
+  blockquote {
+    border: 1px solid #999;
+    page-break-inside: avoid;
+  }
 
-    thead {
-        display: table-header-group; // h5bp.com/t
-    }
+  thead {
+    display: table-header-group; // h5bp.com/t
+  }
 
-    tr,
-    img {
-        page-break-inside: avoid;
-    }
+  tr,
+  img {
+    page-break-inside: avoid;
+  }
 
-    img {
-        max-width: 100% !important;
-    }
+  img {
+    max-width: 100% !important;
+  }
 
-    p,
-    h2,
-    h3 {
-        orphans: 3;
-        widows: 3;
-    }
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3;
+  }
 
-    h2,
-    h3 {
-        page-break-after: avoid;
-    }
+  h2,
+  h3 {
+    page-break-after: avoid;
+  }
 
-    // Bootstrap specific changes start
+  // Bootstrap specific changes start
 
-    // Bootstrap components
-    .navbar {
-        display: none;
-    }
-    .btn,
-    .dropup > .btn {
-        > .caret {
-            border-top-color: #000 !important;
-        }
-    }
-    .label {
-        border: 1px solid #000;
+  // Bootstrap components
+  .navbar {
+    display: none;
+  }
+  .btn,
+  .dropup > .btn {
+    > .caret {
+      border-top-color: #000 !important;
     }
+  }
+  .label {
+    border: 1px solid #000;
+  }
 
-    .table {
-        border-collapse: collapse !important;
+  .table {
+    border-collapse: collapse !important;
 
-        td,
-        th {
-            background-color: #fff !important;
-        }
+    td,
+    th {
+      background-color: #fff !important;
     }
-    .table-bordered {
-        th,
-        td {
-            border: 1px solid #ddd !important;
-        }
+  }
+  .table-bordered {
+    th,
+    td {
+      border: 1px solid #ddd !important;
     }
-
-    // Bootstrap specific changes end
+  }
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_progress-bars.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_progress-bars.scss
index 343df63..e7897de 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_progress-bars.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_progress-bars.scss
@@ -24,12 +24,12 @@
 
 // Outer container
 .progress {
-  overflow: hidden;
   height: $line-height-computed;
   margin-bottom: $line-height-computed;
+  overflow: hidden;
   background-color: $progress-bg;
   border-radius: $progress-border-radius;
-  @include box-shadow(inset 0 1px 2px rgba(0,0,0,.1));
+  @include box-shadow(inset 0 1px 2px rgba(0, 0, 0, .1));
 }
 
 // Bar of progress
@@ -42,7 +42,7 @@
   color: $progress-bar-color;
   text-align: center;
   background-color: $progress-bar-bg;
-  @include box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));
+  @include box-shadow(inset 0 -1px 0 rgba(0, 0, 0, .15));
   @include transition(width .6s ease);
 }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-embed.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-embed.scss
index 080a511..5a0e0b8 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-embed.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-embed.scss
@@ -16,10 +16,10 @@
   video {
     position: absolute;
     top: 0;
-    left: 0;
     bottom: 0;
-    height: 100%;
+    left: 0;
     width: 100%;
+    height: 100%;
     border: 0;
   }
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-utilities.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-utilities.scss
index f3f0c83..73641aa 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-utilities.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_responsive-utilities.scss
@@ -14,9 +14,9 @@
 // For more information, see the following:
 //
 // Issue: https://github.com/twbs/bootstrap/issues/10497
-// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
-// Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
-// Source: http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
+// Docs: https://getbootstrap.com/docs/3.4/getting-started/#support-ie10-width
+// Source: https://timkadlec.com/2013/01/windows-phone-8-and-device-width/
+// Source: https://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
 
 @at-root {
   @-ms-viewport {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_scaffolding.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_scaffolding.scss
index 362c7e2..7fda593 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_scaffolding.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_scaffolding.scss
@@ -7,7 +7,7 @@
 //
 // Heads up! This reset may cause conflicts with some third-party widgets.
 // For recommendations on resolving such conflicts, see
-// http://getbootstrap.com/getting-started/#third-box-sizing
+// https://getbootstrap.com/docs/3.4/getting-started/#third-box-sizing
 * {
   @include box-sizing(border-box);
 }
@@ -21,7 +21,7 @@
 
 html {
   font-size: 10px;
-  -webkit-tap-highlight-color: rgba(0,0,0,0);
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
 }
 
 body {
@@ -111,7 +111,7 @@ img {
 // Horizontal rules
 
 hr {
-  margin-top:    $line-height-computed;
+  margin-top: $line-height-computed;
   margin-bottom: $line-height-computed;
   border: 0;
   border-top: 1px solid $hr-border;
@@ -120,21 +120,21 @@ hr {
 
 // Only display content to screen readers
 //
-// See: http://a11yproject.com/posts/how-to-hide-content
+// See: https://a11yproject.com/posts/how-to-hide-content
 
 .sr-only {
   position: absolute;
   width: 1px;
   height: 1px;
-  margin: -1px;
   padding: 0;
+  margin: -1px;
   overflow: hidden;
-  clip: rect(0,0,0,0);
+  clip: rect(0, 0, 0, 0);
   border: 0;
 }
 
 // Use in conjunction with .sr-only to only display content when it's focused.
-// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
+// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
 // Credit: HTML5 Boilerplate
 
 .sr-only-focusable {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tables.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tables.scss
index affcc58..7bff4b0 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tables.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tables.scss
@@ -5,13 +5,34 @@
 
 table {
   background-color: $table-bg;
+
+  // Table cell sizing
+  //
+  // Reset default table behavior
+
+  col[class*="col-"] {
+    position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
+    display: table-column;
+    float: none;
+  }
+
+  td,
+  th {
+    &[class*="col-"] {
+      position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
+      display: table-cell;
+      float: none;
+    }
+  }
 }
+
 caption {
   padding-top: $table-cell-padding;
   padding-bottom: $table-cell-padding;
   color: $text-muted;
   text-align: left;
 }
+
 th {
   text-align: left;
 }
@@ -128,27 +149,6 @@ th {
 }
 
 
-// Table cell sizing
-//
-// Reset default table behavior
-
-table col[class*="col-"] {
-  position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
-  float: none;
-  display: table-column;
-}
-table {
-  td,
-  th {
-    &[class*="col-"] {
-      position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
-      float: none;
-      display: table-cell;
-    }
-  }
-}
-
-
 // Table backgrounds
 //
 // Exact selectors below required to override `.table-striped` and prevent
@@ -169,12 +169,12 @@ table {
 // will display normally.
 
 .table-responsive {
+  min-height: .01%; // Workaround for IE9 bug (see https://github.com/twbs/bootstrap/issues/14837)
   overflow-x: auto;
-  min-height: 0.01%; // Workaround for IE9 bug (see https://github.com/twbs/bootstrap/issues/14837)
 
   @media screen and (max-width: $screen-xs-max) {
     width: 100%;
-    margin-bottom: ($line-height-computed * 0.75);
+    margin-bottom: ($line-height-computed * .75);
     overflow-y: hidden;
     -ms-overflow-style: -ms-autohiding-scrollbar;
     border: 1px solid $table-border-color;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_theme.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_theme.scss
index c1b0e9c..046eed7 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_theme.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_theme.scss
@@ -1,6 +1,6 @@
 /*!
- * Bootstrap v3.3.7 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v3.4.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
 
@@ -23,14 +23,14 @@
 .btn-info,
 .btn-warning,
 .btn-danger {
-  text-shadow: 0 -1px 0 rgba(0,0,0,.2);
-  $shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.075);
+  text-shadow: 0 -1px 0 rgba(0, 0, 0, .2);
+  $shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
   @include box-shadow($shadow);
 
   // Reset the shadow
   &:active,
   &.active {
-    @include box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
+    @include box-shadow(inset 0 3px 5px rgba(0, 0, 0, .125));
   }
 
   &.disabled,
@@ -88,7 +88,11 @@
 }
 
 // Apply the mixin to the buttons
-.btn-default { @include btn-styles($btn-default-bg); text-shadow: 0 1px 0 #fff; border-color: #ccc; }
+.btn-default {
+  @include btn-styles($btn-default-bg);
+  text-shadow: 0 1px 0 #fff;
+  border-color: #ccc;
+}
 .btn-primary { @include btn-styles($btn-primary-bg); }
 .btn-success { @include btn-styles($btn-success-bg); }
 .btn-info    { @include btn-styles($btn-info-bg); }
@@ -102,7 +106,7 @@
 
 .thumbnail,
 .img-thumbnail {
-  @include box-shadow(0 1px 2px rgba(0,0,0,.075));
+  @include box-shadow(0 1px 2px rgba(0, 0, 0, .075));
 }
 
 
@@ -132,18 +136,18 @@
   @include gradient-vertical($start-color: lighten($navbar-default-bg, 10%), $end-color: $navbar-default-bg);
   @include reset-filter; // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
   border-radius: $navbar-border-radius;
-  $shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 5px rgba(0,0,0,.075);
+  $shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 5px rgba(0, 0, 0, .075);
   @include box-shadow($shadow);
 
   .navbar-nav > .open > a,
   .navbar-nav > .active > a {
     @include gradient-vertical($start-color: darken($navbar-default-link-active-bg, 5%), $end-color: darken($navbar-default-link-active-bg, 2%));
-    @include box-shadow(inset 0 3px 9px rgba(0,0,0,.075));
+    @include box-shadow(inset 0 3px 9px rgba(0, 0, 0, .075));
   }
 }
 .navbar-brand,
 .navbar-nav > li > a {
-  text-shadow: 0 1px 0 rgba(255,255,255,.25);
+  text-shadow: 0 1px 0 rgba(255, 255, 255, .25);
 }
 
 // Inverted navbar
@@ -154,12 +158,12 @@
   .navbar-nav > .open > a,
   .navbar-nav > .active > a {
     @include gradient-vertical($start-color: $navbar-inverse-link-active-bg, $end-color: lighten($navbar-inverse-link-active-bg, 2.5%));
-    @include box-shadow(inset 0 3px 9px rgba(0,0,0,.25));
+    @include box-shadow(inset 0 3px 9px rgba(0, 0, 0, .25));
   }
 
   .navbar-brand,
   .navbar-nav > li > a {
-    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
+    text-shadow: 0 -1px 0 rgba(0, 0, 0, .25);
   }
 }
 
@@ -189,8 +193,8 @@
 
 // Common styles
 .alert {
-  text-shadow: 0 1px 0 rgba(255,255,255,.2);
-  $shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 1px 2px rgba(0,0,0,.05);
+  text-shadow: 0 1px 0 rgba(255, 255, 255, .2);
+  $shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 1px 2px rgba(0, 0, 0, .05);
   @include box-shadow($shadow);
 }
 
@@ -241,7 +245,7 @@
 
 .list-group {
   border-radius: $border-radius-base;
-  @include box-shadow(0 1px 2px rgba(0,0,0,.075));
+  @include box-shadow(0 1px 2px rgba(0, 0, 0, .075));
 }
 .list-group-item.active,
 .list-group-item.active:hover,
@@ -262,7 +266,7 @@
 
 // Common styles
 .panel {
-  @include box-shadow(0 1px 2px rgba(0,0,0,.05));
+  @include box-shadow(0 1px 2px rgba(0, 0, 0, .05));
 }
 
 // Mixin for generating new styles
@@ -286,6 +290,6 @@
 .well {
   @include gradient-vertical($start-color: darken($well-bg, 5%), $end-color: $well-bg);
   border-color: darken($well-bg, 10%);
-  $shadow: inset 0 1px 3px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.1);
+  $shadow: inset 0 1px 3px rgba(0, 0, 0, .05), 0 1px 0 rgba(255, 255, 255, .1);
   @include box-shadow($shadow);
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_thumbnails.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_thumbnails.scss
index da0e1e7..835452f 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_thumbnails.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_thumbnails.scss
@@ -17,8 +17,8 @@
   > img,
   a > img {
     @include img-responsive;
-    margin-left: auto;
     margin-right: auto;
+    margin-left: auto;
   }
 
   // [converter] extracted a&:hover, a&:focus, a&.active to a.thumbnail:hover, a.thumbnail:focus, a.thumbnail.active
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tooltip.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tooltip.scss
index f0c1658..fa69a81 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tooltip.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_tooltip.scss
@@ -15,33 +15,25 @@
 
   @include opacity(0);
 
-  &.in     { @include opacity($tooltip-opacity); }
-  &.top    { margin-top:  -3px; padding: $tooltip-arrow-width 0; }
-  &.right  { margin-left:  3px; padding: 0 $tooltip-arrow-width; }
-  &.bottom { margin-top:   3px; padding: $tooltip-arrow-width 0; }
-  &.left   { margin-left: -3px; padding: 0 $tooltip-arrow-width; }
-}
+  &.in { @include opacity($tooltip-opacity); }
+  &.top {
+    padding: $tooltip-arrow-width 0;
+    margin-top: -3px;
+  }
+  &.right {
+    padding: 0 $tooltip-arrow-width;
+    margin-left: 3px;
+  }
+  &.bottom {
+    padding: $tooltip-arrow-width 0;
+    margin-top: 3px;
+  }
+  &.left {
+    padding: 0 $tooltip-arrow-width;
+    margin-left: -3px;
+  }
 
-// Wrapper for the tooltip content
-.tooltip-inner {
-  max-width: $tooltip-max-width;
-  padding: 3px 8px;
-  color: $tooltip-color;
-  text-align: center;
-  background-color: $tooltip-bg;
-  border-radius: $border-radius-base;
-}
-
-// Arrows
-.tooltip-arrow {
-  position: absolute;
-  width: 0;
-  height: 0;
-  border-color: transparent;
-  border-style: solid;
-}
-// Note: Deprecated .top-left, .top-right, .bottom-left, and .bottom-right as of v3.3.1
-.tooltip {
+  // Note: Deprecated .top-left, .top-right, .bottom-left, and .bottom-right as of v3.3.1
   &.top .tooltip-arrow {
     bottom: 0;
     left: 50%;
@@ -50,8 +42,8 @@
     border-top-color: $tooltip-arrow-color;
   }
   &.top-left .tooltip-arrow {
-    bottom: 0;
     right: $tooltip-arrow-width;
+    bottom: 0;
     margin-bottom: -$tooltip-arrow-width;
     border-width: $tooltip-arrow-width $tooltip-arrow-width 0;
     border-top-color: $tooltip-arrow-color;
@@ -99,3 +91,22 @@
     border-bottom-color: $tooltip-arrow-color;
   }
 }
+
+// Wrapper for the tooltip content
+.tooltip-inner {
+  max-width: $tooltip-max-width;
+  padding: 3px 8px;
+  color: $tooltip-color;
+  text-align: center;
+  background-color: $tooltip-bg;
+  border-radius: $border-radius-base;
+}
+
+// Arrows
+.tooltip-arrow {
+  position: absolute;
+  width: 0;
+  height: 0;
+  border-color: transparent;
+  border-style: solid;
+}
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_type.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_type.scss
index 620796a..c63cc4c 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_type.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_type.scss
@@ -15,7 +15,7 @@ h1, h2, h3, h4, h5, h6,
 
   small,
   .small {
-    font-weight: normal;
+    font-weight: 400;
     line-height: 1;
     color: $headings-small-color;
   }
@@ -82,8 +82,8 @@ small,
 
 mark,
 .mark {
-  background-color: $state-warning-bg;
   padding: .2em;
+  background-color: $state-warning-bg;
 }
 
 // Alignment
@@ -176,8 +176,8 @@ ol {
 
   > li {
     display: inline-block;
-    padding-left: 5px;
     padding-right: 5px;
+    padding-left: 5px;
   }
 }
 
@@ -191,7 +191,7 @@ dd {
   line-height: $line-height-base;
 }
 dt {
-  font-weight: bold;
+  font-weight: 700;
 }
 dd {
   margin-left: 0; // Undo browser default
@@ -226,12 +226,12 @@ dd {
 // -------------------------
 
 // Abbreviations and acronyms
-abbr[title],
 // Add data-* attribute to help out our tooltip plugin, per https://github.com/twbs/bootstrap/issues/5257
+abbr[title],
 abbr[data-original-title] {
   cursor: help;
-  border-bottom: 1px dotted $abbr-border-color;
 }
+
 .initialism {
   font-size: 90%;
   @extend .text-uppercase;
@@ -263,7 +263,7 @@ blockquote {
     color: $blockquote-small-color;
 
     &:before {
-      content: '\2014 \00A0'; // em dash, nbsp
+      content: "\2014 \00A0"; // em dash, nbsp
     }
   }
 }
@@ -275,17 +275,17 @@ blockquote {
 blockquote.pull-right {
   padding-right: 15px;
   padding-left: 0;
+  text-align: right;
   border-right: 5px solid $blockquote-border-color;
   border-left: 0;
-  text-align: right;
 
   // Account for citation
   footer,
   small,
   .small {
-    &:before { content: ''; }
+    &:before { content: ""; }
     &:after {
-      content: '\00A0 \2014'; // nbsp, em dash
+      content: "\00A0 \2014"; // nbsp, em dash
     }
   }
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_variables.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_variables.scss
index e049685..898ef14 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_variables.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_variables.scss
@@ -51,14 +51,14 @@ $font-family-base:        $font-family-sans-serif !default;
 
 $font-size-base:          14px !default;
 $font-size-large:         ceil(($font-size-base * 1.25)) !default; // ~18px
-$font-size-small:         ceil(($font-size-base * 0.85)) !default; // ~12px
+$font-size-small:         ceil(($font-size-base * .85)) !default; // ~12px
 
 $font-size-h1:            floor(($font-size-base * 2.6)) !default; // ~36px
 $font-size-h2:            floor(($font-size-base * 2.15)) !default; // ~30px
 $font-size-h3:            ceil(($font-size-base * 1.7)) !default; // ~24px
 $font-size-h4:            ceil(($font-size-base * 1.25)) !default; // ~18px
 $font-size-h5:            $font-size-base !default;
-$font-size-h6:            ceil(($font-size-base * 0.85)) !default; // ~12px
+$font-size-h6:            ceil(($font-size-base * .85)) !default; // ~12px
 
 //** Unit-less `line-height` for use in components like buttons.
 $line-height-base:        1.428571429 !default; // 20/14
@@ -239,7 +239,7 @@ $cursor-disabled:                not-allowed !default;
 //** Background for the dropdown menu.
 $dropdown-bg:                    #fff !default;
 //** Dropdown menu `border-color`.
-$dropdown-border:                rgba(0,0,0,.15) !default;
+$dropdown-border:                rgba(0, 0, 0, .15) !default;
 //** Dropdown menu `border-color` **for IE8**.
 $dropdown-fallback-border:       #ccc !default;
 //** Divider color for between dropdown items.
@@ -545,7 +545,7 @@ $popover-bg:                          #fff !default;
 //** Popover maximum width
 $popover-max-width:                   276px !default;
 //** Popover border color
-$popover-border-color:                rgba(0,0,0,.2) !default;
+$popover-border-color:                rgba(0, 0, 0, .2) !default;
 //** Popover fallback border color
 $popover-fallback-border-color:       #ccc !default;
 
@@ -603,7 +603,7 @@ $modal-title-line-height:     $line-height-base !default;
 //** Background color of modal content area
 $modal-content-bg:                             #fff !default;
 //** Modal content border color
-$modal-content-border-color:                   rgba(0,0,0,.2) !default;
+$modal-content-border-color:                   rgba(0, 0, 0, .2) !default;
 //** Modal content border color **for IE8**
 $modal-content-fallback-border-color:          #999 !default;
 
@@ -808,7 +808,7 @@ $breadcrumb-separator:          "/" !default;
 //
 //##
 
-$carousel-text-shadow:                        0 1px 2px rgba(0,0,0,.6) !default;
+$carousel-text-shadow:                        0 1px 2px rgba(0, 0, 0, .6) !default;
 
 $carousel-control-color:                      #fff !default;
 $carousel-control-width:                      15% !default;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_wells.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_wells.scss
index b865711..9a048bd 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_wells.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/_wells.scss
@@ -11,10 +11,10 @@
   background-color: $well-bg;
   border: 1px solid $well-border;
   border-radius: $border-radius-base;
-  @include box-shadow(inset 0 1px 1px rgba(0,0,0,.05));
+  @include box-shadow(inset 0 1px 1px rgba(0, 0, 0, .05));
   blockquote {
     border-color: #ddd;
-    border-color: rgba(0,0,0,.15);
+    border-color: rgba(0, 0, 0, .15);
   }
 }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_alerts.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_alerts.scss
index 3faf0b5..b1e6df9 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_alerts.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_alerts.scss
@@ -1,13 +1,14 @@
 // Alerts
 
 @mixin alert-variant($background, $border, $text-color) {
+  color: $text-color;
   background-color: $background;
   border-color: $border;
-  color: $text-color;
 
   hr {
     border-top-color: darken($border, 5%);
   }
+
   .alert-link {
     color: darken($text-color, 10%);
   }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_border-radius.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_border-radius.scss
index ce19499..e03c390 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_border-radius.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_border-radius.scss
@@ -1,18 +1,18 @@
 // Single side border-radius
 
 @mixin border-top-radius($radius) {
+  border-top-left-radius: $radius;
   border-top-right-radius: $radius;
-   border-top-left-radius: $radius;
 }
 @mixin border-right-radius($radius) {
+  border-top-right-radius: $radius;
   border-bottom-right-radius: $radius;
-     border-top-right-radius: $radius;
 }
 @mixin border-bottom-radius($radius) {
   border-bottom-right-radius: $radius;
-   border-bottom-left-radius: $radius;
+  border-bottom-left-radius: $radius;
 }
 @mixin border-left-radius($radius) {
+  border-top-left-radius: $radius;
   border-bottom-left-radius: $radius;
-     border-top-left-radius: $radius;
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_buttons.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_buttons.scss
index b93f84b..5afa735 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_buttons.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_buttons.scss
@@ -12,33 +12,29 @@
   &.focus {
     color: $color;
     background-color: darken($background, 10%);
-        border-color: darken($border, 25%);
+    border-color: darken($border, 25%);
   }
   &:hover {
     color: $color;
     background-color: darken($background, 10%);
-        border-color: darken($border, 12%);
+    border-color: darken($border, 12%);
   }
   &:active,
   &.active,
   .open > &.dropdown-toggle {
     color: $color;
     background-color: darken($background, 10%);
-        border-color: darken($border, 12%);
+    background-image: none;
+    border-color: darken($border, 12%);
 
     &:hover,
     &:focus,
     &.focus {
       color: $color;
       background-color: darken($background, 17%);
-          border-color: darken($border, 25%);
+      border-color: darken($border, 25%);
     }
   }
-  &:active,
-  &.active,
-  .open > &.dropdown-toggle {
-    background-image: none;
-  }
   &.disabled,
   &[disabled],
   fieldset[disabled] & {
@@ -46,7 +42,7 @@
     &:focus,
     &.focus {
       background-color: $background;
-          border-color: $border;
+      border-color: $border;
     }
   }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_center-block.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_center-block.scss
index e06fb5e..ed69097 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_center-block.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_center-block.scss
@@ -2,6 +2,6 @@
 
 @mixin center-block() {
   display: block;
-  margin-left: auto;
   margin-right: auto;
+  margin-left: auto;
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_clearfix.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_clearfix.scss
index dc3e2ab..e45eca5 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_clearfix.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_clearfix.scss
@@ -13,8 +13,8 @@
 @mixin clearfix() {
   &:before,
   &:after {
-    content: " "; // 1
     display: table; // 2
+    content: " "; // 1
   }
   &:after {
     clear: both;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_forms.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_forms.scss
index 277aa5f..46578a1 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_forms.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_forms.scss
@@ -20,18 +20,18 @@
   // Set the border and box shadow on specific inputs to match
   .form-control {
     border-color: $border-color;
-    @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
+    @include box-shadow(inset 0 1px 1px rgba(0, 0, 0, .075)); // Redeclare so transitions work
     &:focus {
       border-color: darken($border-color, 10%);
-      $shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten($border-color, 20%);
+      $shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px lighten($border-color, 20%);
       @include box-shadow($shadow);
     }
   }
   // Set validation states also for addons
   .input-group-addon {
     color: $text-color;
-    border-color: $border-color;
     background-color: $background-color;
+    border-color: $border-color;
   }
   // Optional feedback icon
   .form-control-feedback {
@@ -57,7 +57,7 @@
   &:focus {
     border-color: $color;
     outline: 0;
-    @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px $color-rgba);
+    @include box-shadow(inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px $color-rgba);
   }
 }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_gradients.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_gradients.scss
index a8939f5..fd81440 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_gradients.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_gradients.scss
@@ -1,5 +1,3 @@
-// Gradients
-
 
 
 // Horizontal gradient, from left to right
@@ -10,8 +8,8 @@
   background-image: -webkit-linear-gradient(left, $start-color $start-percent, $end-color $end-percent); // Safari 5.1-6, Chrome 10+
   background-image: -o-linear-gradient(left, $start-color $start-percent, $end-color $end-percent); // Opera 12
   background-image: linear-gradient(to right, $start-color $start-percent, $end-color $end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
-  background-repeat: repeat-x;
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($start-color)}', endColorstr='#{ie-hex-str($end-color)}', GradientType=1); // IE9 and down
+  background-repeat: repeat-x;
 }
 
 // Vertical gradient, from top to bottom
@@ -22,36 +20,36 @@
   background-image: -webkit-linear-gradient(top, $start-color $start-percent, $end-color $end-percent);  // Safari 5.1-6, Chrome 10+
   background-image: -o-linear-gradient(top, $start-color $start-percent, $end-color $end-percent);  // Opera 12
   background-image: linear-gradient(to bottom, $start-color $start-percent, $end-color $end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
-  background-repeat: repeat-x;
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($start-color)}', endColorstr='#{ie-hex-str($end-color)}', GradientType=0); // IE9 and down
+  background-repeat: repeat-x;
 }
 
 @mixin gradient-directional($start-color: #555, $end-color: #333, $deg: 45deg) {
-  background-repeat: repeat-x;
   background-image: -webkit-linear-gradient($deg, $start-color, $end-color); // Safari 5.1-6, Chrome 10+
   background-image: -o-linear-gradient($deg, $start-color, $end-color); // Opera 12
   background-image: linear-gradient($deg, $start-color, $end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
+  background-repeat: repeat-x;
 }
 @mixin gradient-horizontal-three-colors($start-color: #00b3ee, $mid-color: #7a43b6, $color-stop: 50%, $end-color: #c3325f) {
   background-image: -webkit-linear-gradient(left, $start-color, $mid-color $color-stop, $end-color);
   background-image: -o-linear-gradient(left, $start-color, $mid-color $color-stop, $end-color);
   background-image: linear-gradient(to right, $start-color, $mid-color $color-stop, $end-color);
-  background-repeat: no-repeat;
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($start-color)}', endColorstr='#{ie-hex-str($end-color)}', GradientType=1); // IE9 and down, gets no color-stop at all for proper fallback
+  background-repeat: no-repeat;
 }
 @mixin gradient-vertical-three-colors($start-color: #00b3ee, $mid-color: #7a43b6, $color-stop: 50%, $end-color: #c3325f) {
   background-image: -webkit-linear-gradient($start-color, $mid-color $color-stop, $end-color);
   background-image: -o-linear-gradient($start-color, $mid-color $color-stop, $end-color);
   background-image: linear-gradient($start-color, $mid-color $color-stop, $end-color);
-  background-repeat: no-repeat;
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($start-color)}', endColorstr='#{ie-hex-str($end-color)}', GradientType=0); // IE9 and down, gets no color-stop at all for proper fallback
+  background-repeat: no-repeat;
 }
 @mixin gradient-radial($inner-color: #555, $outer-color: #333) {
   background-image: -webkit-radial-gradient(circle, $inner-color, $outer-color);
   background-image: radial-gradient(circle, $inner-color, $outer-color);
   background-repeat: no-repeat;
 }
-@mixin gradient-striped($color: rgba(255,255,255,.15), $angle: 45deg) {
+@mixin gradient-striped($color: rgba(255, 255, 255, .15), $angle: 45deg) {
   background-image: -webkit-linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
   background-image: -o-linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
   background-image: linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid-framework.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid-framework.scss
index 16d038c..2b84cb1 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid-framework.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid-framework.scss
@@ -13,8 +13,8 @@
     // Prevent columns from collapsing when empty
     min-height: 1px;
     // Inner gutter via padding
-    padding-left:  ceil(($grid-gutter-width / 2));
     padding-right: floor(($grid-gutter-width / 2));
+    padding-left: ceil(($grid-gutter-width / 2));
   }
 }
 
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid.scss
index 59551da..884ac4f 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_grid.scss
@@ -4,17 +4,17 @@
 
 // Centered container element
 @mixin container-fixed($gutter: $grid-gutter-width) {
+  padding-right: ceil(($gutter / 2));
+  padding-left: floor(($gutter / 2));
   margin-right: auto;
   margin-left: auto;
-  padding-left:  floor(($gutter / 2));
-  padding-right: ceil(($gutter / 2));
   @include clearfix;
 }
 
 // Creates a wrapper for a series of columns
 @mixin make-row($gutter: $grid-gutter-width) {
-  margin-left:  ceil(($gutter / -2));
   margin-right: floor(($gutter / -2));
+  margin-left: ceil(($gutter / -2));
   @include clearfix;
 }
 
@@ -24,8 +24,8 @@
   float: left;
   width: percentage(($columns / $grid-columns));
   min-height: 1px;
-  padding-left:  ($gutter / 2);
   padding-right: ($gutter / 2);
+  padding-left: ($gutter / 2);
 }
 @mixin make-xs-column-offset($columns) {
   margin-left: percentage(($columns / $grid-columns));
@@ -41,8 +41,8 @@
 @mixin make-sm-column($columns, $gutter: $grid-gutter-width) {
   position: relative;
   min-height: 1px;
-  padding-left:  ($gutter / 2);
   padding-right: ($gutter / 2);
+  padding-left: ($gutter / 2);
 
   @media (min-width: $screen-sm-min) {
     float: left;
@@ -69,8 +69,8 @@
 @mixin make-md-column($columns, $gutter: $grid-gutter-width) {
   position: relative;
   min-height: 1px;
-  padding-left:  ($gutter / 2);
   padding-right: ($gutter / 2);
+  padding-left: ($gutter / 2);
 
   @media (min-width: $screen-md-min) {
     float: left;
@@ -97,8 +97,8 @@
 @mixin make-lg-column($columns, $gutter: $grid-gutter-width) {
   position: relative;
   min-height: 1px;
-  padding-left:  ($gutter / 2);
   padding-right: ($gutter / 2);
+  padding-left: ($gutter / 2);
 
   @media (min-width: $screen-lg-min) {
     float: left;
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_image.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_image.scss
index c8dcf5e..b5a109b 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_image.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_image.scss
@@ -1,8 +1,3 @@
-// Image Mixins
-// - Responsive image
-// - Retina image
-
-
 // Responsive image
 //
 // Keep images from scaling beyond the width of their parents.
@@ -22,11 +17,11 @@
 
   @media
   only screen and (-webkit-min-device-pixel-ratio: 2),
-  only screen and (   min--moz-device-pixel-ratio: 2),
-  only screen and (     -o-min-device-pixel-ratio: 2/1),
-  only screen and (        min-device-pixel-ratio: 2),
-  only screen and (                min-resolution: 192dpi),
-  only screen and (                min-resolution: 2dppx) {
+  only screen and ( min--moz-device-pixel-ratio: 2),
+  only screen and ( -o-min-device-pixel-ratio: 2/1),
+  only screen and ( min-device-pixel-ratio: 2),
+  only screen and ( min-resolution: 192dpi),
+  only screen and ( min-resolution: 2dppx) {
     background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-2x}"), "#{$file-2x}"));
     background-size: $width-1x $height-1x;
   }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_opacity.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_opacity.scss
index 88e9a57..e9c5573 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_opacity.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_opacity.scss
@@ -1,8 +1,7 @@
 // Opacity
 
 @mixin opacity($opacity) {
-  opacity: $opacity;
-  // IE8 filter
-  $opacity-ie: ($opacity * 100);
+  $opacity-ie: ($opacity * 100);  // IE8 filter
   filter: alpha(opacity=$opacity-ie);
+  opacity: $opacity;
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_reset-text.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_reset-text.scss
index c9c2841..8997eca 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_reset-text.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_reset-text.scss
@@ -2,17 +2,17 @@
   font-family: $font-family-base;
   // We deliberately do NOT reset font-size.
   font-style: normal;
-  font-weight: normal;
-  letter-spacing: normal;
-  line-break: auto;
+  font-weight: 400;
   line-height: $line-height-base;
+  line-break: auto;
   text-align: left; // Fallback for where `start` is not supported
   text-align: start;
   text-decoration: none;
   text-shadow: none;
   text-transform: none;
-  white-space: normal;
+  letter-spacing: normal;
   word-break: normal;
   word-spacing: normal;
   word-wrap: normal;
+  white-space: normal;
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_resize.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_resize.scss
index 83fa637..66f233a 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_resize.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_resize.scss
@@ -1,6 +1,6 @@
 // Resize anything
 
 @mixin resizable($direction) {
-  resize: $direction; // Options: horizontal, vertical, both
   overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
+  resize: $direction; // Options: horizontal, vertical, both
 }
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_responsive-visibility.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_responsive-visibility.scss
index cbdf777..d25ef97 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_responsive-visibility.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_responsive-visibility.scss
@@ -1,7 +1,3 @@
-// Responsive utilities
-
-//
-// More easily include all the states for responsive-utilities.less.
 // [converter] $parent hack
 @mixin responsive-visibility($parent) {
   #{$parent} {
diff --git a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_vendor-prefixes.scss b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_vendor-prefixes.scss
index b3d0371..93d5775 100644
--- a/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_vendor-prefixes.scss
+++ b/xstatic/pkg/bootstrap_scss/data/scss/bootstrap/mixins/_vendor-prefixes.scss
@@ -89,12 +89,12 @@
 
 // Optional hyphenation
 @mixin hyphens($mode: auto) {
-  word-wrap: break-word;
   -webkit-hyphens: $mode;
      -moz-hyphens: $mode;
       -ms-hyphens: $mode; // IE10+
        -o-hyphens: $mode;
           hyphens: $mode;
+  word-wrap: break-word;
 }
 
 // Placeholder text