<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Absolutely positioned (reference)</title>
<body>
  <p>Test passes if you see a green square and no red.</p>
  <div style="position: absolute; left: 100px; top: 100px;">
    <math>
      <mrow>
        <mspace width="100px" height="300px" style="background: green"/>
        <mspace width="100px" height="300px" style="background: green"/>
        <mspace width="100px" height="300px" style="background: green"/>
      </mrow>
    </math>
  </div>
</body>
</html>
