Pull the latest version of [[https://github.com/Aris-t2/CustomCSSforFx/blob/master/README.md|the repo]] with GitHub Desktop (all set up on Cornelius).

If that fails, see if the config in ''userChrome.css'' needs to be tweaked.

For a new machine: ([[https://techne.alaya.net/?p=19043|setup]]) (but install with git to make updating easier).