OneStepBack is a Gtk 2, 3 and 4 theme with some colors and embossed widgets
inspired by the good old NeXTSTEP look.

It is developed from scratch, is light and minimal, uses only three shades
of grays and one color.

Homepage:
http://www.vide.memoire.free.fr/pages/onestepback/onestepback.php
