GTK3/4 Themes - Gnome-look.org
https://www.gnome-look.org/browse/cat/13501.01.2022 · GTK3/4 Themes. by eliverlara. A dark theme with flat style for GNOMEInstallation:1.-. Extract the zip file to the themes directory i.e. ~/.themes/ or /usr/share/themes/ (create it if necessary).2.-. To set the theme in Gnome, run the following commands in Terminal.gsettings set org.gnome.desktop.interface gtk-theme...