Replace bad fonts - StackExchange by Vivelin

/* ==UserStyle==
@name           Replace bad fonts - StackExchange
@namespace      vivelin.net
@version        1.0.0
@description    Replaces bad (system) fonts with browser defaults, so you can pick your own.
@author         Vivelin
==/UserStyle== */

@-moz-document domain("stackexchange.com"), domain("stackoverflow.com"), domain("superuser.com"), domain("serverfault.com"), domain("mathoverflow.net"), domain("stackapps.com"), domain("askubuntu.com") {
  html, body {
    --ff-sans: sans-serif;
    --ff-serif: serif;
    --ff-mono: monospace;
  }
  
  .s-prose {
    font-size: 17px;
    line-height: 1.75;
  }
}