<html>
<head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
  <body onload="scrollBy(0, 200)" style="height: 3000px;">
    <div style="position: fixed: top: 0; left: 0;">
      <p style="position: absolute; top: 210px">You should see a yellow rect on the left, and a green one on the right. No red pixels.</p>
      <div id="toMove" style="width: 100px; height: 100px; background-color: green; position: fixed; top: 70px; left: 150px;"></div>
      <div style="width: 100px; height: 100px; background-color: yellow; position: absolute; top: 270px; left: 10px; z-index: -5;"></div>
    </div>
  </body>
</html>