使用字型符號替代 icon 圖示

http://css-tricks.com/flat-icons-icon-fonts/
http://css-tricks.com/html-for-icon-font-usage/
http://css-tricks.com/examples/IconFont/

http://owltastic.com/2011/08/simple-interface-design-icons/

http://pictos.cc/server/
http://fontello.com/
http://www.patentbolt.com/
http://www.entypo.com/
http://keyamoon.com/icomoon/
http://fortawesome.github.com/Font-Awesome/