Fixed: Share popup on first-run page doesn't appear in Chromium

chrome/skin/firstRun.css

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 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 421 matching lines @@
 {
   display: inline-block;
   width: 82px;
   height: 82px;
 }
 
 #glass-pane, #share-popup
 {
   visibility: hidden;
   opacity: 0;
-  -webkit-transition-property: opacity, visibility;
-  transition-property: opacity, visibility;
+  -webkit-transition-property: opacity;
+  transition-property: opacity;
 }
 
 #glass-pane
 {
   position: fixed;
   top: 0;
   right: 0;
   bottom: 0;
   left: 0;
   background: rgba(0, 0, 0, 0.5) url(ajax-loader.gif) no-repeat 50% 50%;
@@ skipping 125 matching lines @@
   background-image: url(donate.png);
   background-repeat: repeat-x;
 }
 
 footer
 {
   margin: 0 auto 30px;
   max-width: 960px;
   text-align: center;
 }