Issue 3769 - UI colours gone bad

mobile/android/themes/core/aboutReaderControls.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/. */
 
 #reader-message {
   margin-top: 40px;
   display: none;
   text-align: center;
   width: 100%;
   font-size: 0.9em;
@@ skipping 201 matching lines @@
   width: 33%;
   border-radius: 4px;
   border: 1px solid #BFBFBF;
   padding: 10px;
   margin: 15px 10px;
   font-size: 14px;
 }
 
 #color-scheme-buttons > button:active,
 #color-scheme-buttons > button.selected {
-  border: 2px solid #FF9500;
+  border: 2px solid #009CD9; /* Changed to match abb_accent_dark_blue. See https://issues.adblockplus.org/ticket/3769 */
 }
 
 .dark-button {
   color: #eeeeee;
   background-color: #333333;
 }
 
 .auto-button {
   color: #000000;
   background-color: transparent;
@@ skipping 171 matching lines @@
     left: auto;
     right: 15px;
     bottom: -12px;
     z-index: 1000;
     background: #EBEBF0;
     border: 1px solid #D7D9DB;
     border-radius: 4px;
     box-shadow: 0px 2px 4px 2px #BFBFBF;
   }
 }