{ lib, pkgs, ... }: let package = pkgs.firefox; profileName = "stylix"; in { stylix.testbed.ui.application = { name = "firefox"; inherit package; }; home-manager.sharedModules = lib.singleton { programs.firefox = { enable = true; inherit package; profiles.${profileName}.isDefault = true; }; stylix.targets.firefox.profileNames = [ profileName ]; }; }