<csstest def=":first-of-type pseudo-class" module="W3C Selectors" modulename="css3-modsel" number="34" rev="1.0" date="11-july-2001" 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>Daniel Glazman</author>
<cssrules>.red { background-color : red }
address { margin-bottom : 1em ; margin-left : 1em }
address:first-of-type { background-color : lime }
</cssrules>

<code>
<div xmlns="http://www.w3.org/1999/xhtml">This div contains 3 addresses:
<address class="red">A first address that should have a green background</address>
<address>A second address with normal background</address>
<address>A third address with normal background</address>
</div>
</code>
</csstest>