https://qooah.com/2014/04/04/cyanogenmod-%e6%8f%9b%e6%96%b0-logo-%e5%ae%a2%e8%a3%bd%e3%80%81%e5%ae%89%e5%85%a8%e3%80%81%e9%96%8b%e6%ba%90/