Board Thread:Support Requests - Getting Technical/@comment-4939489-20190416214150

[//dreamlogos.fandom.com/wiki/MediaWiki:Common.css https://dreamlogos.fandom.com/wiki/MediaWiki:Common.css]

I recently added ModernWikiActivity.css into the Common.css file and changed the colors to correspond with the wiki's "color scheme", and I thought it would update within hours. Nothing has happened ever since, no changes whatsoever. I checked the guide and I tried all I could. Why is the script still not working? 