Numix

Numix is an open source GTK3 theme for the GNOME desktop environment, providing a modern and flat style with a combination of dark and light elements. It also works on XFCE, Openbox, and Unity.

How to install?

For detailed installation instructions please see the following tutorial: http://www.softoware.net/apps/download-how-to-install-gnome-themes-in-ubuntu-for-linux.html

What is new in this release:

• LightDM GTK greeter theme
• Xfce Notify theme
• Support for Nemo pathbar breadcrumbs
• Draw window buttons directly in metacity
• Loads of tweaks and enhancements

Requirements:

• GNOME
• GTK+