Adding css class to each navigation menu's in web.sitemap file

See more:

CSS

Hi, everyone
I've following web.sitemap code block.

<pre lang="xml"><?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0">
<siteMapNode url="~/" title="Home" description="Go to the homepage">
<siteMapNode url="~/" title="Contact"
description="" />
<siteMapNode url="~/" title="About"
description="" />
</siteMapNode>
</siteMap>

And i need to add an individual css propertioes to the title home,contact and about.
Gracias.:D