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Evolve’s author satya164 says ”Evolve is a simple and minimal light theme for Gnome designed to be easy on the eyes. It supports Gnome Shell, Unity and Pantheon. The theme is compatible with GTK 3.4 and uses the Adwaita engine. It also includes a GTK 2.0 theme using Murrine engine “.

Although that in Evolve’s page you’ll find a PPA for Ubuntu, we don’t encourage people to use repositories for installing themes because they might drive to problems later on. Follow our guide to install it, and just check from time to time for updates.

Download Evolve GTK3 Theme