<csstest def="Syntax and parsing" module="W3C Selectors" modulename="css3-modsel" number="155a" rev="1.0" date="27-november-2001" xmlns="http://www.example.org/css3tests">

<author>Ian Hickson</author>

<cssrules>
  p { background: lime; }
  .\5cm { background: red; }
</cssrules>

<code>
 <p class="5cm" xmlns="http://www.w3.org/1999/xhtml">This line should have a green background.</p>
</code>

</csstest>