diff --git a/.gitignore b/.gitignore
index c3f0ce87e7e..661822d6b09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,6 @@ node_modules
 .project
 dist/
 public/*.js
-public/*.min.css
+public/*.css
 chosen.zip
+.sass-cache
diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index b93c4c9071c..2da98a51099 100644
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -45,14 +45,22 @@ module.exports = (grunt) ->
           'public/chosen.jquery.min.js': ['public/chosen.jquery.js']
           'public/chosen.proto.min.js': ['public/chosen.proto.js']
 
+    compass:
+      chosen_css:
+        options:
+          specify:
+            ['sass/chosen.scss']
+
     cssmin:
       minified_chosen_css:
+        options:
+          banner: "<%= minified_comments %>"
         src: 'public/chosen.css'
         dest: 'public/chosen.min.css'
 
     watch:
       scripts:
-        files: ['coffee/**/*.coffee']
+        files: ['coffee/**/*.coffee', 'sass/*.scss']
         tasks: ['build']
 
     copy:
@@ -88,13 +96,14 @@ module.exports = (grunt) ->
   grunt.loadNpmTasks 'grunt-contrib-watch'
   grunt.loadNpmTasks 'grunt-contrib-copy'
   grunt.loadNpmTasks 'grunt-contrib-clean'
+  grunt.loadNpmTasks 'grunt-contrib-compass'
   grunt.loadNpmTasks 'grunt-contrib-cssmin'
   grunt.loadNpmTasks 'grunt-build-gh-pages'
   grunt.loadNpmTasks 'grunt-zip'
   grunt.loadNpmTasks 'grunt-dom-munger'
 
   grunt.registerTask 'default', ['build']
-  grunt.registerTask 'build', ['coffee', 'concat', 'uglify', 'cssmin']
+  grunt.registerTask 'build', ['coffee', 'compass', 'concat', 'uglify', 'cssmin']
   grunt.registerTask 'gh_pages', ['copy:dist', 'build_gh_pages:gh_pages']
   grunt.registerTask 'prep_release', ['build','zip:chosen','package_jquery']
 
diff --git a/config.rb b/config.rb
new file mode 100644
index 00000000000..a9f6692151e
--- /dev/null
+++ b/config.rb
@@ -0,0 +1,8 @@
+http_path = "/"
+css_dir = "public"
+sass_dir = "sass"
+images_dir = "public"
+
+relative_assets = true
+line_comments = false
+asset_cache_buster :none
\ No newline at end of file
diff --git a/package.json b/package.json
index 52a8446f64a..028bb685627 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "grunt-contrib-watch": "~0.3.1",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-clean": "~0.4.1",
+    "grunt-contrib-compass": "~0.3.0",
     "grunt-contrib-cssmin": "~0.6.1",
     "grunt-build-gh-pages": "0.0.4",
     "grunt-zip": "~0.9.2",
diff --git a/public/chosen.css b/public/chosen.css
deleted file mode 100644
index e0267f0fe78..00000000000
--- a/public/chosen.css
+++ /dev/null
@@ -1,459 +0,0 @@
-/* @group Base */
-.chzn-container {
-  font-size: 13px;
-  position: relative;
-  display: inline-block;
-  vertical-align: middle;
-  zoom: 1;
-  *display: inline;
-}
-.chzn-container .chzn-drop {
-  background: #fff;
-  border: 1px solid #aaa;
-  border-top: 0;
-  position: absolute;
-  top: 100%;
-  left: -9999px;
-  -webkit-box-shadow: 0 4px 5px rgba(0,0,0,.15);
-  -moz-box-shadow   : 0 4px 5px rgba(0,0,0,.15);
-  box-shadow        : 0 4px 5px rgba(0,0,0,.15);
-  z-index: 1010;
-  width: 100%;
-  -moz-box-sizing   : border-box;
-  -ms-box-sizing    : border-box;
-  -webkit-box-sizing: border-box;
-  -khtml-box-sizing : border-box;
-  box-sizing        : border-box;
-}
-
-.chzn-container.chzn-with-drop .chzn-drop {
-  left: 0;
-}
-
-/* @end */
-
-/* @group Single Chosen */
-.chzn-container-single .chzn-single {
-  background-color: #ffffff;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0 );   
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #ffffff), color-stop(50%, #f6f6f6), color-stop(52%, #eeeeee), color-stop(100%, #f4f4f4));
-  background-image: -webkit-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: -moz-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: -o-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: linear-gradient(#ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%); 
-  -webkit-border-radius: 5px;
-  -moz-border-radius   : 5px;
-  border-radius        : 5px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-  border: 1px solid #aaaaaa;
-  -webkit-box-shadow: 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  -moz-box-shadow   : 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  box-shadow        : 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  display: block;
-  overflow: hidden;
-  white-space: nowrap;
-  position: relative;
-  height: 23px;
-  line-height: 24px;
-  padding: 0 0 0 8px;
-  color: #444444;
-  text-decoration: none;
-}
-.chzn-container-single .chzn-default {
-  color: #999;
-}
-.chzn-container-single .chzn-single span {
-  margin-right: 26px;
-  display: block;
-  overflow: hidden;
-  white-space: nowrap;
-  -o-text-overflow: ellipsis;
-  -ms-text-overflow: ellipsis;
-  text-overflow: ellipsis;
-}
-.chzn-container-single .chzn-single-with-deselect span {
-  margin-right: 38px;
-}
-
-.chzn-container-single .chzn-single abbr {
-  display: block;
-  position: absolute;
-  right: 26px;
-  top: 6px;
-  width: 12px;
-  height: 12px;
-  font-size: 1px;
-  background: url('chosen-sprite.png') -42px 1px no-repeat;
-}
-.chzn-container-single .chzn-single abbr:hover {
-  background-position: -42px -10px;
-}
-.chzn-container-single.chzn-disabled .chzn-single abbr:hover {
-  background-position: -42px -10px;
-}
-.chzn-container-single .chzn-single div {
-  position: absolute;
-  right: 0;
-  top: 0;
-  display: block;
-  height: 100%;
-  width: 18px;
-}
-.chzn-container-single .chzn-single div b {
-  background: url('chosen-sprite.png') no-repeat 0px 2px;
-  display: block;
-  width: 100%;
-  height: 100%;
-}
-.chzn-container-single .chzn-search {
-  padding: 3px 4px;
-  position: relative;
-  margin: 0;
-  white-space: nowrap;
-  z-index: 1010;
-}
-.chzn-container-single .chzn-search input {
-  background: #fff url('chosen-sprite.png') no-repeat 100% -20px;
-  background: url('chosen-sprite.png') no-repeat 100% -20px, -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background: url('chosen-sprite.png') no-repeat 100% -20px, -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -20px, -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -20px, -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -20px, linear-gradient(#eeeeee 1%, #ffffff 15%);
-  margin: 1px 0;
-  padding: 4px 20px 4px 5px;
-  outline: 0;
-  border: 1px solid #aaa;
-  font-family: sans-serif;
-  font-size: 1em;
-  width: 100%;
-  -moz-box-sizing   : border-box;
-  -ms-box-sizing    : border-box;
-  -webkit-box-sizing: border-box;
-  -khtml-box-sizing : border-box;
-  box-sizing        : border-box;
-}
-.chzn-container-single .chzn-drop {
-  margin-top: -1px;
-  -webkit-border-radius: 0 0 4px 4px;
-  -moz-border-radius   : 0 0 4px 4px;
-  border-radius        : 0 0 4px 4px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-}
-.chzn-container-single-nosearch .chzn-search {
-  position: absolute;
-  left: -9999px;
-}
-/* @end */
-
-/* @group Multi Chosen */
-.chzn-container-multi .chzn-choices {
-  background-color: #fff;
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background-image: -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: linear-gradient(#eeeeee 1%, #ffffff 15%);
-  border: 1px solid #aaa;
-  margin: 0;
-  padding: 0;
-  cursor: text;
-  overflow: hidden;
-  height: auto !important;
-  height: 1%;
-  position: relative;
-  width: 100%;
-  -moz-box-sizing   : border-box;
-  -ms-box-sizing    : border-box;
-  -webkit-box-sizing: border-box;
-  -khtml-box-sizing : border-box;
-  box-sizing        : border-box;
-}
-.chzn-container-multi .chzn-choices li {
-  float: left;
-  list-style: none;
-}
-.chzn-container-multi .chzn-choices .search-field {
-  white-space: nowrap;
-  margin: 0;
-  padding: 0;
-}
-.chzn-container-multi .chzn-choices .search-field input {
-  color: #666;
-  background: transparent !important;
-  border: 0 !important;
-  font-family: sans-serif;
-  font-size: 100%;
-  height: 15px;
-  padding: 5px;
-  margin: 1px 0;
-  outline: 0;
-  -webkit-box-shadow: none;
-  -moz-box-shadow   : none;
-  box-shadow        : none;
-}
-.chzn-container-multi .chzn-choices .search-field .default {
-  color: #999;
-}
-.chzn-container-multi .chzn-choices .search-choice {
-  -webkit-border-radius: 3px;
-  -moz-border-radius   : 3px;
-  border-radius        : 3px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-  background-color: #e4e4e4;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4f4f4', endColorstr='#eeeeee', GradientType=0 ); 
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eeeeee));
-  background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -o-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: linear-gradient(#f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%); 
-  -webkit-box-shadow: 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  -moz-box-shadow   : 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  box-shadow        : 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  color: #333;
-  border: 1px solid #aaaaaa;
-  line-height: 13px;
-  padding: 3px 20px 3px 5px;
-  margin: 3px 0 3px 5px;
-  position: relative;
-  cursor: default;
-}
-.chzn-container-multi .chzn-choices .search-choice.search-choice-disabled {
-  background-color: #e4e4e4;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4f4f4', endColorstr='#eeeeee', GradientType=0 );
-  background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eeeeee));
-  background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -o-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -ms-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  color: #666;
-  border: 1px solid #cccccc;
-  padding-right: 5px;
-}
-.chzn-container-multi .chzn-choices .search-choice-focus {
-  background: #d4d4d4;
-}
-.chzn-container-multi .chzn-choices .search-choice .search-choice-close {
-  display: block;
-  position: absolute;
-  right: 3px;
-  top: 4px;
-  width: 12px;
-  height: 12px;
-  font-size: 1px;
-  background: url('chosen-sprite.png') -42px 1px no-repeat;
-}
-.chzn-container-multi .chzn-choices .search-choice .search-choice-close:hover {
-  background-position: -42px -10px;
-}
-.chzn-container-multi .chzn-choices .search-choice-focus .search-choice-close {
-  background-position: -42px -10px;
-}
-/* @end */
-
-/* @group Results */
-.chzn-container .chzn-results {
-  margin: 0 4px 4px 0;
-  max-height: 240px;
-  padding: 0 0 0 4px;
-  position: relative;
-  overflow-x: hidden;
-  overflow-y: auto;
-  -webkit-overflow-scrolling: touch;
-}
-.chzn-container-multi .chzn-results {
-  margin: 0;
-  padding: 0;
-}
-.chzn-container .chzn-results li {
-  display: none;
-  line-height: 15px;
-  padding: 5px 6px;
-  margin: 0;
-  list-style: none;
-}
-.chzn-container .chzn-results .active-result {
-  cursor: pointer;
-  display: list-item;
-}
-
-.chzn-container .chzn-results .disabled-result {
-  color: #ccc;
-  cursor: default;
-  display: list-item;
-}
-.chzn-container .chzn-results .disabled-result em {
-  background: transparent;
-}
-.chzn-container .chzn-results .highlighted {
-  background-color: #3875d7;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3875d7', endColorstr='#2a62bc', GradientType=0 );  
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #3875d7), color-stop(90%, #2a62bc));
-  background-image: -webkit-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: -moz-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: -o-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: linear-gradient(#3875d7 20%, #2a62bc 90%);
-  color: #fff;
-}
-.chzn-container .chzn-results li em {
-  background: #feffde;
-  font-style: normal;
-}
-.chzn-container .chzn-results .highlighted em {
-  background: transparent;
-}
-.chzn-container .chzn-results .no-results {
-  background: #f4f4f4;
-  display: list-item;
-}
-.chzn-container .chzn-results .group-result {
-  cursor: default;
-  color: #999;
-  font-weight: bold;
-  display: list-item;
-}
-.chzn-container .chzn-results .group-option {
-  padding-left: 15px;
-}
-.chzn-container-multi .chzn-drop .result-selected {
-  color: #ccc;
-  cursor: default;
-  display: list-item;
-}
-.chzn-container-multi .chzn-drop .result-selected em {
-  background: transparent;
-}
-.chzn-container .chzn-results-scroll {
-  background: white;
-  margin: 0 4px;
-  position: absolute;
-  text-align: center;
-  width: 321px; /* This should by dynamic with js */
-  z-index: 1;
-}
-.chzn-container .chzn-results-scroll span {
-  display: inline-block;
-  height: 17px;
-  text-indent: -5000px;
-  width: 9px;
-}
-.chzn-container .chzn-results-scroll-down {
-  bottom: 0;
-}
-.chzn-container .chzn-results-scroll-down span {
-  background: url('chosen-sprite.png') no-repeat -4px -3px;
-}
-.chzn-container .chzn-results-scroll-up span {
-  background: url('chosen-sprite.png') no-repeat -22px -3px;
-}
-/* @end */
-
-/* @group Active  */
-.chzn-container-active .chzn-single {
-  -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
-  -moz-box-shadow   : 0 0 5px rgba(0,0,0,.3);
-  box-shadow        : 0 0 5px rgba(0,0,0,.3);
-  border: 1px solid #5897fb;
-}
-.chzn-container-active.chzn-with-drop .chzn-single {
-  border: 1px solid #aaa;
-  -webkit-box-shadow: 0 1px 0 #fff inset;
-  -moz-box-shadow   : 0 1px 0 #fff inset;
-  box-shadow        : 0 1px 0 #fff inset;
-  background-color: #eee;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0 );
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #eeeeee), color-stop(80%, #ffffff));
-  background-image: -webkit-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: -moz-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: -o-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: linear-gradient(#eeeeee 20%, #ffffff 80%);
-  -webkit-border-bottom-left-radius : 0;
-  -webkit-border-bottom-right-radius: 0;
-  -moz-border-radius-bottomleft : 0;
-  -moz-border-radius-bottomright: 0;
-  border-bottom-left-radius : 0;
-  border-bottom-right-radius: 0;
-}
-.chzn-container-active.chzn-with-drop .chzn-single div {
-  background: transparent;
-  border-left: none;
-}
-.chzn-container-active.chzn-with-drop .chzn-single div b {
-  background-position: -18px 2px;
-}
-.chzn-container-active .chzn-choices {
-  -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
-  -moz-box-shadow   : 0 0 5px rgba(0,0,0,.3);
-  box-shadow        : 0 0 5px rgba(0,0,0,.3);
-  border: 1px solid #5897fb;
-}
-.chzn-container-active .chzn-choices .search-field input {
-  color: #111 !important;
-}
-/* @end */
-
-/* @group Disabled Support */
-.chzn-disabled {
-  cursor: default;
-  opacity:0.5 !important;
-}
-.chzn-disabled .chzn-single {
-  cursor: default;
-}
-.chzn-disabled .chzn-choices .search-choice .search-choice-close {
-  cursor: default;
-}
-
-/* @group Right to Left */
-.chzn-rtl { text-align: right; }
-.chzn-rtl .chzn-single { padding: 0 8px 0 0; overflow: visible; }
-.chzn-rtl .chzn-single span { margin-left: 26px; margin-right: 0; direction: rtl; }
-.chzn-rtl .chzn-single-with-deselect span { margin-left: 38px; }
-
-.chzn-rtl .chzn-single div { left: 3px; right: auto; }
-.chzn-rtl .chzn-single abbr {
-  left: 26px;
-  right: auto;
-}
-.chzn-rtl .chzn-choices .search-field input { direction: rtl; }
-.chzn-rtl .chzn-choices li { float: right; }
-.chzn-rtl .chzn-choices .search-choice { padding: 3px 5px 3px 19px; margin: 3px 5px 3px 0; }
-.chzn-rtl .chzn-choices .search-choice .search-choice-close { left: 4px; right: auto; }
-.chzn-rtl .chzn-container-single-nosearch .chzn-search { left: 9999px; }
-.chzn-rtl .chzn-drop { left: 9999px; }
-.chzn-rtl.chzn-container-single .chzn-results { margin: 0 0 4px 4px; padding: 0 4px 0 0; }
-.chzn-rtl .chzn-results .group-option { padding-left: 0; padding-right: 15px; }
-.chzn-rtl.chzn-container-active.chzn-with-drop .chzn-single div { border-right: none; }
-.chzn-rtl .chzn-search input {
-  background: #fff url('chosen-sprite.png') no-repeat -30px -20px;
-  background: url('chosen-sprite.png') no-repeat -30px -20px, -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background: url('chosen-sprite.png') no-repeat -30px -20px, -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);  
-  background: url('chosen-sprite.png') no-repeat -30px -20px, -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat -30px -20px, -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat -30px -20px, linear-gradient(#eeeeee 1%, #ffffff 15%);
-  padding: 4px 5px 4px 20px;
-  direction: rtl;
-}
-.chzn-container-single.chzn-rtl .chzn-single div b {
-  background-position: 6px 2px;
-}
-.chzn-container-single.chzn-rtl.chzn-with-drop .chzn-single div b {
-  background-position: -12px 2px;
-}
-/* @end */
-
-/* @group Retina compatibility */
-@media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and (min-resolution: 144dpi)  {
-  .chzn-rtl .chzn-search input, .chzn-container-single .chzn-single abbr, .chzn-container-single .chzn-single div b, .chzn-container-single .chzn-search input, .chzn-container-multi .chzn-choices .search-choice .search-choice-close, .chzn-container .chzn-results-scroll-down span, .chzn-container .chzn-results-scroll-up span {
-      background-image: url('chosen-sprite@2x.png') !important;
-      background-repeat: no-repeat !important;
-      background-size: 52px 37px !important;
-  }
-}
-/* @end */
diff --git a/sass/chosen.scss b/sass/chosen.scss
new file mode 100644
index 00000000000..068126ffb65
--- /dev/null
+++ b/sass/chosen.scss
@@ -0,0 +1,409 @@
+@import "compass/css3/box-sizing";
+@import "compass/css3/images";
+
+$chosen-sprite: image-url('chosen-sprite.png');
+$chosen-sprite-retina: image-url('chosen-sprite@2x.png');
+
+/* @group Base */
+.chzn-container {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+  font-size: 13px;
+  zoom: 1;
+  *display: inline;
+  .chzn-drop {
+    position: absolute;
+    top: 100%;
+    left: -9999px;
+    z-index: 1010;
+    @include box-sizing(border-box);
+    width: 100%;
+    border: 1px solid #aaa;
+    border-top: 0;
+    background: #fff;
+    box-shadow: 0 4px 5px rgba(#000,.15);
+  }
+  &.chzn-with-drop .chzn-drop {
+    left: 0;
+  }
+}
+/* @end */
+
+/* @group Single Chosen */
+.chzn-container-single{
+  .chzn-single {
+    position: relative;
+    display: block;
+    overflow: hidden;
+    padding: 0 0 0 8px;
+    height: 23px;
+    border: 1px solid #aaa;
+    border-radius: 5px;
+    background-color: #fff;
+    @include background(linear-gradient(top, #fff 20%, #f6f6f6 50%, #eee 52%, #f4f4f4 100%));
+    background-clip: padding-box;
+    box-shadow: 0 0 3px #fff inset, 0 1px 1px rgba(#000,.1);
+    color: #444;
+    text-decoration: none;
+    white-space: nowrap;
+    line-height: 24px;
+  }
+  .chzn-default {
+    color: #999;
+  }
+  .chzn-single span {
+    display: block;
+    overflow: hidden;
+    margin-right: 26px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  .chzn-single-with-deselect span {
+    margin-right: 38px;
+  }
+  .chzn-single abbr {
+    position: absolute;
+    top: 6px;
+    right: 26px;
+    display: block;
+    width: 12px;
+    height: 12px;
+    background: $chosen-sprite -42px 1px no-repeat;
+    font-size: 1px;
+    &:hover {
+      background-position: -42px -10px;
+    }
+  }
+  &.chzn-disabled .chzn-single abbr:hover {
+    background-position: -42px -10px;
+  }
+  .chzn-single div {
+    position: absolute;
+    top: 0;
+    right: 0;
+    display: block;
+    width: 18px;
+    height: 100%;
+    b {
+      display: block;
+      width: 100%;
+      height: 100%;
+      background: $chosen-sprite no-repeat 0px 2px;
+    }
+  }
+  .chzn-search {
+    position: relative;
+    z-index: 1010;
+    margin: 0;
+    padding: 3px 4px;
+    white-space: nowrap;
+    input {
+      @include box-sizing(border-box);
+      margin: 1px 0;
+      padding: 4px 20px 4px 5px;
+      width: 100%;
+      outline: 0;
+      border: 1px solid #aaa;
+      background: #fff $chosen-sprite no-repeat 100% -20px;
+      @include background($chosen-sprite no-repeat 100% -20px, linear-gradient(#eee 1%, #fff 15%));
+      font-size: 1em;
+      font-family: sans-serif;
+    }
+  }
+  .chzn-drop {
+    margin-top: -1px;
+    border-radius: 0 0 4px 4px;
+    background-clip: padding-box;
+  }
+  &.chzn-container-single-nosearch .chzn-search {
+    position: absolute;
+    left: -9999px;
+  }
+}
+/* @end */
+
+/* @group Multi Chosen */
+.chzn-container-multi{
+  .chzn-choices {
+    position: relative;
+    overflow: hidden;
+    @include box-sizing(border-box);
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    height: auto !important;
+    height: 1%;
+    border: 1px solid #aaa;
+    background-color: #fff;
+    @include background-image(linear-gradient(#eee 1%, #fff 15%));
+    cursor: text;
+  }
+  .chzn-choices li {
+    float: left;
+    list-style: none;
+    &.search-field {
+      margin: 0;
+      padding: 0;
+      white-space: nowrap;
+      input {
+        margin: 1px 0;
+        padding: 5px;
+        height: 15px;
+        outline: 0;
+        border: 0 !important;
+        background: transparent !important;
+        box-shadow: none;
+        color: #666;
+        font-size: 100%;
+        font-family: sans-serif;
+      }
+      .default {
+        color: #999;
+      }
+    }
+    &.search-choice {
+      position: relative;
+      margin: 3px 0 3px 5px;
+      padding: 3px 20px 3px 5px;
+      border: 1px solid #aaa;
+      border-radius: 3px;
+      background-color: #e4e4e4;
+      @include background-image(linear-gradient(#f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%));
+      background-clip: padding-box; 
+      box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(#000,.05);
+      color: #333;
+      line-height: 13px;
+      cursor: default;
+      .search-choice-close {
+        position: absolute;
+        top: 4px;
+        right: 3px;
+        display: block;
+        width: 12px;
+        height: 12px;
+        background: $chosen-sprite -42px 1px no-repeat;
+        font-size: 1px;
+        &:hover {
+          background-position: -42px -10px;
+        }
+      }
+    }
+    &.search-choice-disabled {
+      padding-right: 5px;
+      border: 1px solid #ccc;
+      background-color: #e4e4e4;
+      @include background-image(linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%));
+      color: #666;
+    }
+    &.search-choice-focus {
+      background: #d4d4d4;
+      .search-choice-close {
+        background-position: -42px -10px;
+      }
+    }
+  }
+  .chzn-results {
+    margin: 0;
+    padding: 0;
+  }
+  .chzn-drop .result-selected {
+    display: list-item;
+    color: #ccc;
+    cursor: default;
+    em {
+      background: transparent;
+    }
+  }
+}
+/* @end */
+
+/* @group Results */
+.chzn-container .chzn-results {
+  position: relative;
+  overflow-x: hidden;
+  overflow-y: auto;
+  margin: 0 4px 4px 0;
+  padding: 0 0 0 4px;
+  max-height: 240px;
+  -webkit-overflow-scrolling: touch;
+  li {
+    display: none;
+    margin: 0;
+    padding: 5px 6px;
+    list-style: none;
+    line-height: 15px;
+    &.active-result {
+      display: list-item;
+      cursor: pointer;
+    }
+    &.disabled-result {
+      display: list-item;
+      color: #ccc;
+      cursor: default;
+      em {
+        background: transparent;
+      }
+    }
+    &.highlighted {
+      background-color: #3875d7;
+      @include background-image(linear-gradient(#3875d7 20%, #2a62bc 90%));
+      color: #fff;
+      em {
+        background: transparent;
+      }
+    }
+    &.no-results {
+      display: list-item;
+      background: #f4f4f4;
+    }
+    &.group-result {
+      color: #999;
+      font-weight: bold;
+      cursor: default;
+    }
+    &.group-option {
+      padding-left: 15px;
+    }
+    em {
+      background: #feffde;
+      font-style: normal;
+    }
+  }
+}
+/* @end */
+
+/* @group Active  */
+.chzn-container-active{
+  .chzn-single {
+    border: 1px solid #5897fb;
+    box-shadow: 0 0 5px rgba(#000,.3);
+  }
+  &.chzn-with-drop{
+    .chzn-single {
+      border: 1px solid #aaa;
+      -moz-border-radius-bottomright: 0;
+      border-bottom-right-radius: 0;
+      -moz-border-radius-bottomleft: 0;
+      border-bottom-left-radius: 0;
+      @include background-image(linear-gradient(#eee 20%, #fff 80%));
+      box-shadow: 0 1px 0 #fff inset;
+    }
+    .chzn-single div {
+      border-left: none;
+      background: transparent;
+      b {
+        background-position: -18px 2px;
+      }
+    }
+  }
+  .chzn-choices {
+    border: 1px solid #5897fb;
+    box-shadow: 0 0 5px rgba(#000,.3);
+    li.search-field input {
+      color: #111 !important;
+    }
+  }
+}
+/* @end */
+
+/* @group Disabled Support */
+.chzn-disabled {
+  opacity: 0.5 !important;
+  cursor: default;
+  .chzn-single {
+    cursor: default;
+  }
+  .chzn-choices .search-choice .search-choice-close {
+    cursor: default;
+  }
+}
+/* @end */
+
+/* @group Right to Left */
+.chzn-rtl {
+  text-align: right;
+  .chzn-single {
+    overflow: visible;
+    padding: 0 8px 0 0;
+  }
+  .chzn-single span {
+    margin-right: 0;
+    margin-left: 26px;
+    direction: rtl;
+  }
+  .chzn-single-with-deselect span {
+    margin-left: 38px;
+  }
+  .chzn-single div {
+    right: auto;
+    left: 3px;
+  }
+  .chzn-single abbr {
+    right: auto;
+    left: 26px;
+  }
+  .chzn-choices li {
+    float: right;
+    &.search-field input {
+      direction: rtl;
+    }
+    &.search-choice {
+      margin: 3px 5px 3px 0;
+      padding: 3px 5px 3px 19px;
+      .search-choice-close {
+        right: auto;
+        left: 4px;
+      }
+    }
+  }
+  &.chzn-container-single-nosearch .chzn-search,
+  .chzn-drop {
+    left: 9999px;
+  }
+  &.chzn-container-single .chzn-results {
+    margin: 0 0 4px 4px;
+    padding: 0 4px 0 0;
+  }
+  .chzn-results li.group-option {
+    padding-right: 15px;
+    padding-left: 0;
+  }
+  &.chzn-container-active.chzn-with-drop .chzn-single div {
+    border-right: none;
+  }
+  .chzn-search input {
+    padding: 4px 5px 4px 20px;
+    background: #fff $chosen-sprite no-repeat -30px -20px;
+    @include background($chosen-sprite no-repeat -30px -20px, linear-gradient(#eee 1%, #fff 15%));
+    direction: rtl;
+  }
+  &.chzn-container-single{
+    .chzn-single div b {
+      background-position: 6px 2px;
+    }
+    &.chzn-with-drop{
+      .chzn-single div b {
+        background-position: -12px 2px;
+      }
+    }
+  }
+}
+
+/* @end */
+
+/* @group Retina compatibility */
+@media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and (min-resolution: 144dpi)  {
+  .chzn-rtl .chzn-search input,
+  .chzn-container-single .chzn-single abbr,
+  .chzn-container-single .chzn-single div b,
+  .chzn-container-single .chzn-search input,
+  .chzn-container-multi .chzn-choices .search-choice .search-choice-close,
+  .chzn-container .chzn-results-scroll-down span,
+  .chzn-container .chzn-results-scroll-up span {
+    background-image: $chosen-sprite-retina !important;
+    background-size: 52px 37px !important;
+    background-repeat: no-repeat !important;
+  }
+}
+/* @end */