Iris Dark is a Gtk theme supporting Gtk 3.10, Gtk 2 as well as including a Metacity theme.
Track and report bugs at github.com/xyl0n/iris
ALso see the Iris Light theme, featuring light menus, menubars and titlebars: http://gnome-look.org/content/show.php?content=163062
3 years ago
2014.02.17: Tweaks and experimental Unity CSD support for Ubuntu 14.04
2014.02.02: Fixed bugs with Firefox and tweaked Terminal.