YSK: If your instance updated to 0.18.1, there's new themes in your profile settings, including compact and pure black themes! (for the website version of lemmy, version number at bottom of page) - eviltoast

Why YSK: Because that’s friggin awesome?!

Screenshots (themes also have dark versions):

Default:

Default-compact:

“Vaporwave”:

There’s also an odd “i386” theme, along with a “pure black” darkly.