Board Thread:Support Requests - Designing Your Wiki/@comment-25748513-20171008055916/@comment-31420862-20171009044336

SadGhoster87 wrote: It didn't work. I put the code in MediaWiki:Wikia.css, should I have put it somewhere else?

Also, the editor recommended I use simply .selected instead of li.selected and I tried both. You do not really have to stick with  instead of   in this case. I used  to make certain style (hover background, specifically) not apply to selected tab. It should not cause some issue for the CSS to fail to work. So as Fngplg said, it would help if you could post link to the wiki where you are trying the CSS so that we could see what might be causing the problem. :)