<?xml-stylesheet href="css3-modsel-81.css" type="text/css"?>
<test>
 <p xmlns="http://www.w3.org/1999/xhtml" class="red">This paragraph should have a green background.</p>
 <div xmlns="http://www.w3.org/1999/xhtml">This div contains only one paragraph.
  <p>This paragraph should be unstyled.</p>
 </div>
</test>