<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Padding/border/margin on largeop (reference)</title>
<body>
  <p>This test passes if you see a cyan rectangle of width 300px and
    height 1500px, surrounded by a 10px blue padding, surrounded by a 10px
    blue/yellow dashed border, itself
    surrounded by a 10px pink margin.</p>
  </div>
    <div style="background: pink; position: absolute; left: 10px; top: 4em;">
      <div style="background: blue; border: 10px dashed yellow; padding: 10px; margin: 10px;">
        <div style="width: 300px; height: 1500px; background: cyan;"></div>
      </div>
    </div>
</body>
</html>
