Board Thread:Support Requests - Designing Your Wiki/@comment-1807002-20190722221733/@comment-168424-20190723040224

So, smaller wikis take longer to update the effects of wiki-wide CSS changes. I suspect it's because FANDOM doesn't think the change needs to be fast for a low traffic wiki. On bigger wikis, CSS changes usually don't take that long to update, usually less than 5 min.