Board Thread:Support Requests - Getting Technical/@comment-43865827-20200316130436

I created a "MediaWiki:Common.css" page to change my scrollbar. But I realized my "MediaWiki:Wikia.css" has stopped working. I deleted the "Common.css" page but the "Wikia.css" is still not working. How do I get the "Wikia.css" to work? 