Pitch-Dark is an extension that forces all application windows to use the dark GTK theme variant. The only prerequisite is the xprop utility which can easily be installed using: - Debian/Ubuntu: apt-get install x11-utils - Fedora: yum install xorg-x11-utils - Arch: pacman -S xorg-xprop You may also want to install the following Gtk/GNOME-Shell Theme that provides a dark variant for Gtk2 applications: https://github.com/axxapy/Adwaita-dark-gtk2

Extension Homepage

https://github.com/pgaubatz/gnome-shell-extension-pitch-dark

Download

Shell version… Extension version…