g1smd - 5:47 am on Aug 10, 2011 (gmt 0)

Also, don't use relative page links to your stylesheet, use root relative or absolute URLs.

That is, begin the link with a leading slash and specify the full path to the file, or begin the link with http and specify the domain name and full path to the file.

You'll appreciate why this is important once you start to use URL rewriting for HTML pages.