Board Thread:Support Requests - Designing Your Wiki/@comment-4192163-20130320203424/@comment-3335785-20130321160550

The import may take a little while to kick in. If that still doesn't work, you can try: @import "/index.php?title=MediaWiki:Common.css&action=raw&ctype=text/css"; at the top of your Wikia.css (no code above it).