Rather than getting some lulz in, perhaps you should help educate your flock about the dangers of custom CSS use and also how to disable the feature if they want to have a safer browsing experience here. You would be surprised just how much information can be obtained from an image hosted on an external server that is linked to via CSS. Don't give bad actors information against you.
Well since you seem to be an expert on it, it would be neat if you made a post, and then I sticky it.
(post is archived)