http://taig9.com/beta/fonts/Simple-Line-Icons-Webfont/simple-line-icons.css
http://campus.knowafest.com/assets/plugins/line-icons/line-icons.css
http://alliance.edu.in/css/line-icons/line-icons.css
http://www.steelmint.com/assets/plugins/line-icons/line-icons.css
http://static.praktikum.de/assets/plugins/line-icons/line-icons.css