Board Thread:Support Requests - Designing Your Wiki/@comment-36707166-20180825120616/@comment-26923519-20180825181422

You don't need to be any sort of programmer in order to do this. At the URL bar, just add the code above and it'll refresh the page with the new theme. Hope you understood. :)

BTW, if it didn't work, you could report the bug to C/B.