华而不实啊。哈哈哈。

ico

sudo add-apt-repository ppa:nitrux-team/nitrux-artwork
sudo apt-get update
sudo apt-get install nitrux-icon-theme

theme

wget http://gnome-look.org/CONTENT/content-files/167689-Libra1.0.tar.gz
tar -xzvf 167689-Libra1.0.tar.gz
sudo mv Libra/ /usr/share/themes/