Board Thread:Support Requests - Designing Your Wikia/@comment-25263848-20140828154337/@comment-168424-20140913190441

For Oasis CSS overrides try putting it in MediaWiki:Wikia.css, but it's probably good to test it at Special:MyPage/wikia.css first.

As always, please give a link to the wiki you're working on. Even better, give a link to the page where you're testing your change.