Put it outside the main content div for your theme would be my guess. Depends on the theme you’re using. If you don’t know how to do that (on any theme), you might ask on a CSS mailing list/forum.
Cheers
PAE
how to make it look like the one from that site
helping with fundamental formatting problems is not the main purpose of this WordPress forum.
try to use a tool such as Firebug http://getfirebug.com/ to investigate the styles.
the basics:
http://www.w3schools.com/html/
http://www.w3schools.com/css/default.asp
Nailed it. Thanks a lot you guys for the speedy response. This place rocks!