Issue 7200 - Adjust UI colors

mobile/android/themes/core/config.css

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 html,
 body {
     margin: 0;
     padding: 0;
     background-color: #ced7de;
     -moz-user-select: none;
     font-family: "Clear Sans",sans-serif;
     -moz-text-size-adjust: none;
 }
 
 .toolbar {
     width: 100%;
     min-height: 3em;
     display: flow-root;
     position: sticky;
     top: 0;
     left: 0;
     z-index: 10;
     box-shadow: 0 0 3px #444;
     background-color: #ced7de;
     color: #000000;
     font-weight: bold;
     border-bottom: 2px solid;
-    -moz-border-bottom-colors: #009CD9 #009CD9; /* Changed to match abb_accent_dark_blue. See https://issues.adblockplus.org/ticket/3769 */
+    -moz-border-bottom-colors: #ff9100 #f27900;
 }
 
 .toolbar-container {
     max-width: 40em;
     margin-left: auto;
     margin-right: auto;
 }
 
 #filter-container {
     margin: 0.375em;
@@ skipping 297 matching lines @@
 }
 
 #loading-container > li {
     background-image: url(chrome://browser/skin/images/throbber.png);
     background-position: center center;
     background-repeat: no-repeat;
     padding-left: 40px;
     height: 3em;
     width: 100%;
 }