layout/style/crashtests/1391577.html

   1 <!doctype html>
   2 <style>
   3 .foo input[type="range"]::-moz-range-thumb:hover {
   4   color: red;
   5 }
   6 </style>
   7 <div>
   8   <input type="range"></input>
   9 </div>
  10 <script>
  11 onload = function() {
  12   document.querySelector('div').classList.add('foo');
  13 }
  14 </script>