Works fine in all browsers.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>iframe example</title>
<style type="text/css">
html, body, div, iframe { margin:0; padding:0; height:100%; }
iframe { display:block; width:100%; border:none; }
</style>
</head>
<body>
<div>
<iframe src="http://blog.hao909.com/">
<p>Your browser does not support iframes.</p>
</iframe>
</div>
</body>
</html>
