The Tor Browser / file revision

 <!--

      Any copyright is dedicated to the Public Domain.

      http://creativecommons.org/publicdomain/zero/1.0/

 -->

 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"

      class="reftest-wait">

   <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=708155 -->

   <title>Testcase for style change on foreignObject</title>

   <script>

   document.addEventListener("MozReftestInvalidate", doTest, false);

   setTimeout(doTest, 4000); // fallback for running outside reftest

   function doTest() {

     document.getElementById('fo').style.opacity = '1';

     document.documentElement.removeAttribute('class');

   }

   </script>

   <rect width="100%" height="100%" fill="red"/>

   <foreignObject id="fo" width="100%" height="100%" opacity="0">

     <div xmlns="http://www.w3.org/1999/xhtml" style="width: 100%; height: 100%;background-color: lime;">

     </div>

   </foreignObject>

 </svg>