these are *hell* for user styles and they're really not necessary.
they are still used on some editor pages as those are less important
to be able to comprehensively style, imo
i don't actually know what the license on the kitten image is, and while
it's very unlikely, i don't want to get into legal trouble. it was only
ever supposed to be a temporary image, too.
identicons aren't the prettiest but at least they have a clear license
:3
