<!DOCTYPE html>

<html>
<head>
  <style type="text/css" media="screen">
    body {
      height: 500px;
      width: 500px;
      background-color: silver;
    }
    
    .box {
      height: 200px;
      width: 200px;
      margin: 100px;
      background-color: blue;
      -webkit-transform: translateZ(0);
    }
    .box:hover {
      -webkit-transform: none;
    }
  </style>
</head>
<body>

    <div id="iframe-content" class="box">
    </div>

</body>
</html>