Maybe start with trying to understand this first:
https://github.com/TA1312/supernote-a5x
Good news: apparently, it has bad security 😇
I guess this may be the problem
Poor flatpak app has no way to see the themes 🥺
I guess it is flatpak, since it is the most popular way to install stuff in fedora. I guess this is the solution, but there most be a more easy way, for sure
Still these things are the reason I stopped installing flatpaks pretty soon after I started 🤭
I hate Firefox for not working with my themes like all other apps do… And there seems to be no browser that does.