Issue 2384 - Remove Firefox/Mozilla references on about:firefox

mobile/android/themes/core/aboutAdblockBrowserPage.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/. */
 
 body {
   -moz-text-size-adjust: none;
   font-family: "Clear Sans",sans-serif;
   font-size: 23px;
   color: #222222;
   background-color: #ced7de;
 }
 
 #header {
-  height: 80px;
+  min-height: 120px;
 }
 
 #wordmark {
-  margin: 30px 0 0 15px;
-  width: 123px;
-  height: 36px;
-  background: url("chrome://browser/skin/images/wordmark-hdpi.png") no-repeat;
+  margin: 50px 0 0 15px;
 }
 
 #version {
   margin: 0 0 0 15px;
   font-size: 15px;
 }
 
 #banner {
-  min-height: 150px;
-  background-color: #bdc7ce;
-}
-
-#logo {
-  position: absolute;
-  top: 0;
-  right: 0;
-  width: 375px;
-  height: 300px;
-  background: url("chrome://browser/skin/images/logo-hdpi.png") no-repeat;
+  min-height: 300px;
+  background: url("chrome://browser/skin/images/abb-logo.png") no-repeat;
+  background-position: right top;
 }
 
 #updateBox {
   position: relative;
   top: 40px;
   margin: 0 auto;
   width: 60%; /* looks much larger!? */
   padding: 20px 1em;
   text-align: center;
   background-image: url("chrome://browser/skin/images/about-btn-darkgrey.png");
@@ skipping 57 matching lines @@
 
 a, span {
   text-decoration: none;
   color: #222222;
 }
 
 #updateBox > a,
 #updateBox > span {
   color: #e5f2ff;
 }