You must log in or # to comment.
That’s looks like GTK so use CSS i assume?
Can you give some resources on how to do so.
What OS? Maybe something similar to this? https://github.com/NixOS/nixpkgs/issues/119433
@antihero, there’s a few different methods that all attack that problem in perty much the same way. The flatpak in question needs to have access to the theme/font/icon pack you want it to use.