Board Thread:Support Requests - Designing Your Wikia/@comment-26316686-20150422182657/@comment-4018164-20150422184046

That's per the selector's specifity. Try replacing it with: .WikiaArticle .toc, .wikia-infobox And if that doesn't work either, try: body.mediawiki .WikiaArticle .toc, .wikia-infobox This should get the job done.