Canta is a flat Material Design theme for GTK 3, GTK 2 and Gnome-Shell which supports GTK 3 and GTK 2 based desktop environments like Gnome, Unity, Budgie, Pantheon, XFCE, Mate, etc.
Unfortunately the team behind Geary changed the layout of the titlebar recently. The separator element in the title bar is no longer part of geary-titlebar-left. It now belongs to the parent box element. As a result the separator element in the title bar is not displayed.
Unfortunately the team behind Geary changed the layout of the titlebar recently. The separator element in the title bar is no longer part of geary-titlebar-left. It now belongs to the parent box element. As a result the separator element in the title bar is not displayed.