Board Thread:Support Requests - Getting Technical/@comment-26951806-20160210063752/@comment-1757994-20160212191848

Common.css and Common.js do indeed affect the Oasis skin. That's why they're "Common." Common things affect all skins.

The order of loading is Common, then skin-specific.

So for Oasis, it's Common (css/js), then Wikia (css/js).

For Monobook, it's Common (css/js), then Monobook (css/js).