Board Thread:Support Requests - Getting Technical/@comment-44883881-20200714090016/@comment-168424-20200714231328

FYI Monobook skin is no longer available or supported and MediaWiki:Wikia.css was not used by Monobook.

You look to be an admin of that wiki, so you can create the MediaWiki:Wikia.css page, but you probably don't know what to put there.

We can't help you if you don't say what you want to change.