It's not entirely how I want it but we do have a sunbeam theme now. If you want to try it out, you can enable it in preferences.
@squeakypancakes oh wow! this is awesome!
@wakest I've had it on the server since 3.4 went up but could get replies remotely legible.
Sunbeam City is a anticapitalist, antifascist solarpunk instance that is run collectively.