区别不同浏览器,CSS hack写法
区别IE6与FF:
*_background:blue;background:orange;
区别IE6与IE7:
_background:green;*background:blue;
区别IE7与FF:
*background:green;background:orange;
区别FF,IE7,IE6:
background:orange;*background:green;*_background:blue;
注:IE都能识别*;标准浏览器(如FF)不能识别*;
IE6能识别*,但不能识别 !important,
IE7能识别*,也能识别!important;
FF不能识别*,但能识别!important;