Board Thread:Support Requests - Getting Technical/@comment-9343925-20130716174344/@comment-4018164-20130716201200

You add the code to the top of the MediaWiki:Wikia.css.

The line that says '' /***** CSS placed here will be applied to all skins on the entire site. *****/ '' is part of the Common.css, and is just a comment to describe the page. It doesn't affect the codes that you post there.