<csstest def="Parsing : vs ::" module="W3C Selectors" modulename="css3-modsel" number="177b" rev="1.0" date="22-june-2003" xmlns="http://www.example.org/css3tests">

<author>Ian Hickson</author>

<cssrules>
 div { color: green; }
 p::first-child { color: yellow; background: red; }
</cssrules>

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

</csstest>