<!DOCTYPE HTML>
<html><head>
<meta charset="utf-8">
<title>Testcase for bug 1226278</title>
<style type="text/css">
fieldset {
overflow: hidden;
padding: 20px;
background: url(data:image/gif;base64,R0lGODlhAQABAIABAAD/AP///ywAAAAAAQABAAACAkQBADs=) content-box;
height: 20px;
}
div { margin-top:20px; height:40px; background:red; }
</style>
</head>
<body>
<pre>There should be no red areas.</pre>
<fieldset><legend>LEGEND</legend></fieldset>
<fieldset></fieldset>
</body>
</html>