使用Git安裝
# in case of permission errors
sudo chown $USER:$USER -R /usr/share/themes/
sudo chmod 755 -R /usr/share/themes/
cd /usr/share/themes/
git clone https://github.com/anmoljagetia/Flatabulous
源： https://github.com/anmoljagetia/Flatabulous/issues/79