Board Thread:Support Requests - Getting Technical/@comment-32663928-20181001054435/@comment-27345308-20181001070729

There is, with sitewide CSS: But as you're not an administrator of that wiki, you would either have to ask one to put that CSS into MediaWiki:Wikia.css page on that wiki or migrate the character infobox and then use a  tag instead of a tabber (which would also probably require admin intervention so the first solution is easier)