http://www.jb51.net/css/66892.html

http://www.divcss5.com/jiqiao/j77.shtml

http://www.cnblogs.com/gaoxue/articles/2287311.html

http://blog.csdn.net/zsj523/article/details/15816191

http://www.dreamdu.com/css/property_background/

http://www.atool.org/colorpicker.php

http://baike.baidu.com/link?url=5BF9Ba1FjcM6FhyM88MzJ5-CZVYn7njIwPgsGVf9g0Ao3gH_119KT7XM7jf2md0iIMOZ1OCnk6jzB7KduQ8oN_

http://www.douban.com/note/174398491/

http://www.cnblogs.com/lianjun/archive/2011/03/11/1981606.html

20150103笔记