Forum:How far can a CSS edit a wiki style?

I am wondering how far can I edit my Wiki page (http://sonetto.wikia.com/) with the MediaWiki:Monaco.css file. I have removed the "Gaming" menu below the Wikia blue logo at the top-left corner of my wiki, but I don't know if that's against any rules or not. I also wonder if I can at least remove the ads that are on top of my main page. They are not just an image of non-related content coming before the Wiki page. They are also really ugly =x And there are ads of games that I and the other owners of the Sonetto Project hate. Can I try to remove them?

Thanks, n2 N2liquid 09:10, 21 December 2008 (UTC) n2liquid