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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>
<style type="text/css">
div { border:1px solid green; margin:5px; }
</style>
</head>
<body>
<div>Inner</div>
</body></html>