diff --git a/styles/dropdown-lists/css/style_lists.bak.css b/styles/dropdown-lists/css/style_lists.bak.css
deleted file mode 100644
index af316a91..00000000
--- a/styles/dropdown-lists/css/style_lists.bak.css
+++ /dev/null
@@ -1,134 +0,0 @@
-
-/*
- * Copyright (c) 2012-2013 Thibaut Courouble
- * http://www.cssflow.com
- *
- * Licensed under the MIT License:
- * http://www.opensource.org/licenses/mit-license.php
- */
-
-
-
-.container > .dropdown {
-  margin: 0 20px;
-  vertical-align: top;
-}
-
-.dropdown {
-  display: inline-block;
-  position: relative;
-  overflow: hidden;
-  height: 25px;
-  width: 150px;
-  width:100%;
-  margin-bottom:10px;
-  background: #fff;
-  border: 1px solid;
-  border-color: #ccc #ccc #ccc;
-  border-radius: 3px;
-  background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.06));
-  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
-}
-.dropdown:before, .dropdown:after {
-  content: '';
-  position: absolute;
-  z-index: 2;
-  top: 9px;
-  right: 10px;
-  width: 0;
-  height: 0;
-  border: 4px dashed;
-  border-color: #888 transparent;
-  pointer-events: none;
-}
-.dropdown:before {
-  border-bottom-style: solid;
-  border-top: none;
-}
-.dropdown:after {
-  margin-top: 7px;
-  border-top-style: solid;
-  border-bottom: none;
-}
-
-.dropdown-select {
-  position: relative;
-  width: 130%;
-  margin: 0;
-  padding: 6px 8px 6px 10px;
-  height: 28px;
-  line-height: 14px;
-  font-size: 12px;
-  color: #62717a;
-  text-shadow: 0 1px white;
-  /* Fallback for IE 8 */
-  background: #f2f2f2;
-  /* "transparent" doesn't work with Opera */
-  background: rgba(0, 0, 0, 0) !important;
-  border: 0;
-  border-radius: 0;
-  -webkit-appearance: none;
-}
-.dropdown-select:focus {
-  z-index: 3;
-  width: 100%;
-  color: #394349;
-  outline: 2px solid #49aff2;
-  outline: 2px solid -webkit-focus-ring-color;
-  outline-offset: -2px;
-}
-.dropdown-select > option {
-  margin: 3px;
-  padding: 6px 8px;
-  text-shadow: none;
-  background: #f2f2f2;
-  border-radius: 3px;
-  cursor: pointer;
-}
-
-/* Fix for IE 8 putting the arrows behind the select element. */
-.lt-ie9 .dropdown {
-  z-index: 1;
-}
-.lt-ie9 .dropdown-select {
-  z-index: -1;
-}
-.lt-ie9 .dropdown-select:focus {
-  z-index: 3;
-}
-
-/* Dirty fix for Firefox adding padding where it shouldn't. */
-@-moz-document url-prefix() {
-  .dropdown-select {
-    padding-left: 6px;
-  }
-}
-
-.dropdown-dark {
-  background: #636363;
-  border-color: #111 #0a0a0a black;
-  background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.2));
-  box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px 1px rgba(0, 0, 0, 0.2);
-    background-image: url(trenner.gif); background-repeat:no-repeat; background-position:right 0px ;
-
-  
-}
-.dropdown-dark:before {
-  border-bottom-color: #aaa;
-}
-.dropdown-dark:after {
-  border-top-color: #aaa;
-}
-.dropdown-dark .dropdown-select {
-  color: #fff;
-  text-shadow: 0 1px black;
-  /* Fallback for IE 8 */
-  background: #444;
-}
-.dropdown-dark .dropdown-select:focus {
-  color: #ccc;
-}
-.dropdown-dark .dropdown-select > option {
-  background: #444;
-  text-shadow: 0 1px rgba(0, 0, 0, 0.4);
-}