Board Thread:Support Requests - Getting Technical/@comment-24849091-20150822150824/@comment-17725354-20150822160420

You will have to clear your cache in order for CSS changes to show. Help:Bypass_your_cache has some instructions for each browser and helpful tips on that.

You could also append  to the end of the page's URL. For example, the purged URL of this thread is http://community.wikia.com/wiki/Thread:897701?action=purge.

You also forgot to put a period before.