> - the GTK themes already installed and matching with Qt/KDE themes, except > Firewalld > > It's because Firewalld applet is GTK+3 application :(
just for fun install oxygen-gtk3 and add in ~/.config/gtk-3.0 this file $ more settings.ini [Settings] gtk-theme-name = oxygen-gtk logout/login or restart /usr/bin/firewall-applet
