Issue 5586 - Replaced toggle.png with toggle.svg

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 168 matching lines @@
 {
   display: none;
 }
 
 .toggle-image
 {
   display: inline-block;
   flex-shrink: 0;
   width: 36px;
   height: 21px;
-  background-image: url(mobile/toggle.png);
+  background-image: url(mobile/toggle.svg#off);
 }
 
 input:checked + .toggle-image
 {
-  background-position: 0 -22px;
+  background-image: url(mobile/toggle.svg#on);
 }
 
 button
 {
   width: 100%;
   height: 46px; /* equal to height of list item */
   border: none;
   font-weight: 600;
   text-transform: uppercase;
   color: #099DD1;
@@ skipping 159 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;
 }