Board Thread:Support Requests - Designing Your Wiki/@comment-5716479-20130617060407/@comment-4018164-20130617090317

I'm pretty sure taht at least 95% of the total user of wikia use Oasis, but just to be sure, you can create a survey or a poll in your wiki for asking this question (perhaps you can contact wikia for allow collecting this info for a more reliable data).

In general, as the structure of Oasis and Monobook web pages is not the same, and as the Oasis skin is the most common, i would recommend doing all updates in MediaWiki:Wikia.css, and important customizations to add to MediaWiki:Monobook.css as well.

If you import MediaWiki:Common.css, you can add there changes like links colors.