http://sixtysearch.com/sitemap-1.xml

This XML file does not appear to have any style information associated with it. The document tree is shown below.

<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

<url>

<loc>http://sixtysearch.com/sitemap-1.xml</loc>

...

</url>

...

</urlset>