Hello everyone.
I'm trying to style a web page to use Comic Sans. This has worked in the past as I have the font installed on my system (Fedora 38), and I know that Firefox can see it because it can be selected as an option for the default font:

However when I try to use it in CSS, it is not recognized:

I checked and other fonts are not affected:

I can't use the Impact font either. Both work under Chrome.
Does anyone have a clue about what could be going on?
Thanks