安装方法:
sudo add-apt-repository ppa:satyajit-happy/themes
sudo apt-get update
sudo apt-get install numix-gtk-theme
sudo add-apt-repository ppa:numix-icon-theme-dev/utouch
sudo apt-get update
sudo apt-get install numix-utouch-icon-theme
自己去设置玩吧，，我也不做示范了，，比较懒惰