Ubuntu flatabulous theme

Enter the following terminal

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install unity-tweak-tool//安装unity tweak tool

//安装 Flatabulous 主题
sudo add-apt-repository ppa:noobslab/themes
sudo apt-get update
sudo apt-get install flatabulous-theme

//安装配套图标
sudo add-apt-repository ppa:noobslab/icons
sudo apt-get update
sudo apt-get install ultra-flat-icons

Then do just fine in unity tweak tool inside