Well, Lemmy generally doesn't use much custom CSS outside of the standard Bootstrap 5 stuff, so writing one isn't too crazy. You might find something here that

Well, Lemmy generally doesn't use much custom CSS outside of the standard Bootstrap 5 stuff, so writing one isn't too crazy. You might find something here that floats your boat (you need the stylus extension): https://userstyles.world/search?q=lemmy https://userstyles.world/search?q=lemmy (you might need to adjust on which pages these styles apply tho)