<csstest def="Impossible rules (* html, * :root)" module="W3C Selectors" modulename="css3-modsel" number="27b" rev="1.0" date="17-october-2005" xmlns:html="http://www.w3.org/1999/xhtml" xmlns="http://www.example.org/css3tests">

<author>Ian Hickson</author>

<cssrules>* html { background-color: red; }
* :root { background-color: red; }
p { color: green; }</cssrules>
<code>
<p xmlns="http://www.w3.org/1999/xhtml">This line should be green (there should be no red on this page).</p>
</code>
</csstest>