Noissue - Fixed regression: Logo image broken in mobile options page

skin/mobile-options.css

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 60 matching lines @@
   line-height: 20px;
   color: #000;
 }
 
 h1::before
 {
   position: absolute;
   left: -25px;
   width: 20px;
   height: 20px;
-  background: url(mobile/abp-logo.svg) 0/20px;

[saroyanm, 2017/09/15 11:00:37]

Detail: We can use initial values for background-position and size, while by
default they will use same position (0) and scale to the size of the element
which is 20px/20px:
background: url(abp-logo.svg);

+  background: url(abp-logo.svg) 0/20px;
   content: "";
 }
 
 html[dir="rtl"] h1::before
 {
   left: auto;
   right: -25px;
 }
 
 h2
@@ skipping 272 matching lines @@
 {
   background-color: #BBBBBB;
   mask: url(mobile/checkmark.svg) center/cover no-repeat;
 }
 
 #dialog-recommended > button
 {
   border-width: 1px 0 0 0;
   text-align: center;
 }