CSS兼容IE6,IE7和FF的总结 . 区别IE6与FF: background:orange;*background:blue; 区别IE6与IE7: background:green !important;background:blue; 区别IE7与FF: background:orange; *background:green; 区别FF,IE7,IE6: background:orange;*background:green !important;*background:blue; 注:IE都