Thread:MasterTeska/@comment-39012108-20200715010834/@comment-44874696-20200715024918

I’ll answer this: you’re a bit off on that first statement: don’t go to CSS. Instead, you’ll want to go to your wiki’s ImportJS (type in “MediaWiki:ImportJS” at the end of the URL) and add this code to it: dev:Status/code.js

Read this for more info.