Board Thread:Support Requests - Designing Your Wiki/@comment-30269588-20190522155232/@comment-34888194-20190522162906

It's MediaWiki:Wikia.css or MediaWiki:Common.css (whatever you want to choose to import). This can be done by searching MediaWiki:Wikia.css or MediaWiki:Common.css in the search bar. If it doesn't exist, then add a page (as if you are adding a new content page) and type MediaWiki:Wikia.css or MediaWiki:Common.css as the title. Then, you can import it right there.