nostr:npub1qjssl23udvrumdyrj0qw0ds5vp7rpdapy94kz2pptvrshxnhmy6qurxp6v You can fix this by going into about:config in your address bar.

Put the following in the top:

widget.non-native-theme.scrollbar.size.override

Then change the number from 0 to something higher for the scroll bar width. I recommend trying 20 first and going from there.