NOOB问题……
LI：HOVER {background：url(image.jpg)0 0 no-repeat;}在所有浏览器中工作？
解决方法
IE versions older than 7 won’t support it.
我推荐IETester.
此外,background-repeat is supposed to be defined before background-position,尽管大多数浏览器都会按照给出的顺序来理解这些值.
