Board Thread:Support Requests - Designing Your Wiki/@comment-31714129-20191014205709/@comment-9605025-20191015031153

The reason is not limitations of CSS/HTML but the restrictons that Wikia/MediaWiki places on the CSS/HTML you use in the markup. You can set the background image, just not to a URL. Hello Hello Hello Hello If you use your browser's developer tools to inspect the HTML it recieved from Wikia, the latter example ends up getting rendered as: Hello