<!doctype html>
<meta charset=utf-8>
<title>Test that body's topmargin/bottommargin attributes take precedence over iframe marginheight in quirks mode</title>
<link rel=match href="body-margin-2-ref.html">
<iframe marginheight="20" src="data:text/html,<body topmargin='100' bottommargin='100'>100px top/bottom margins, default left/right margins</body>"></iframe>