y.site.dom/cgi-bin/myscript.pl?class=guest&amp;name=user</code>.
</p>

<h2>C.13 Cascading Style Sheets (CSS) and XHTML</h2>

<p>The Cascading Style Sheets level 2 Recommendation [<a href="#ref-css2">CSS2</a>] defines style
properties which are applied to the parse tree of the HTML or XML
document.  Differences in parsing will produce different visual or
aural results, depending on the selectors used. The following hints
will reduce this effect for documents which are served without
modification as both medi