With Cohost's inline CSS feature you can actually make the smallest posts if you really want.

Genderfucked schizoqueer autistic plural plushie eevee mystics
one of those annoying vegans your unexamined ethical system warned you about
Seer of Blood (Wyatt) and Witch of Void (fractal)
not a person, ΞΞ, tma

name-color: #ff007b
actually i need to find out what font cohost uses, or if it pulls from my browser's settings
because i was pleasantly surprised by how well i could read that tiny text without leaning in, and there's only one font i know that lets me read it that easily and that one is Atkinson Hyperlegible