Viewing what is loading for your css it appears to be an error of permiissions
Code:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD>
<TITLE>403 Forbidden</TITLE>
</HEAD><BODY>
<H1>Forbidden</H1>
You don't have permission to access /store/admin/includes/stylesheet.css
on this server.<P>
<P>Additionally, a 404 Not Found
error was encountered while trying to use an ErrorDocument to handle the request.
<HR>
<ADDRESS>Apache/1.3.39 Server at www.baldwinhillframing.com Port 80</ADDRESS>
</BODY></HTML>