<csstest def="Multiple ID selectors" module="W3C Selectors" modulename="css3-modsel" number="15b" rev="1.1" date="29-may-2004" xmlns:a="http://www.example.org/a" xmlns:b="http://www.example.org/b" xmlns:html="http://www.w3.org/1999/xhtml" xmlns="http://www.example.org/css3tests">

<author>Ian Hickson</author>

<cssrules>
p { background: green; color: white; }
#test#fail { background: red; color: yellow; }
#fail#test { background: red; color: yellow; }
#fail { background: red; color: yellow; }
div { background: red; color: yellow; }
#pass#pass { background: green; color: white; }
</cssrules>

<code>
  <p id="test" xmlns="http://www.w3.org/1999/xhtml">This line should be green.</p>
  <div id="pass" xmlns="http://www.w3.org/1999/xhtml">This line should be green.</div>
</code>

</csstest>