gtk3-nocsd: gtk3-nocsd (disable client side decoration of Gtk+ 3) gtk3-nocsd: gtk3-nocsd: gtk3-nocsd is a small module used to disable the client side gtk3-nocsd: decoration of Gtk+ 3. Since Gtk+ 3.10, its developers added a gtk3-nocsd: so-called header bar or custom title bar. With this and the gtk3-nocsd: client-side decoration, the original title bar and window border gtk3-nocsd: provided by the window manager are disabled by Gtk+. With gtk3-nocsd, gtk3-nocsd: the title bar and window border the window manager provides are gtk3-nocsd: re-enabled. gtk3-nocsd: gtk3-nocsd: