<html>
<head>
<script>
    function doTest() {
      document.getElementById("myDiv").style.width = "100px";
      document.documentElement.removeAttribute("class");
    }
</script>
</head>
<body onload="doTest()">
  <div id="myDiv"
       style="width: 10px;
              height: 100px;
              background-image: url('resources/lime100x100.svg')">
  </div>
</body>
</html>