Unsettings is a graphical configuration program for the Unity desktop environment that lets you change some of the Unity settings.
You can use Unsettings to change the themes for GTK, window manager, icons and cursors.
In addition to just applying the settings Unsettings lets you to save your settings into and load from a text file (JSON format) so you can easily backup you settings or copy them to a different account.
Unsettings Homepage: Unsettings Home
To install Unsettings just run the following commands via your systems Terminal.
sudo add-apt-repository ppa:diesch/testing
sudo apt-get update
sudo apt-get install unsettings
That's all please enjoy your new Software.