ie兼容性

1.ie的专有的css

.all IE{property:value\9;}
.gte IE 8{property:value\0;}
.lte IE 7{*property:value;}
.IE 8/9{property:value\0;}
.IE 9{property:value\9\0;}
.IE 7{+property:value;}
.IE 6{_property:value;}

2.haslayout和BFC

http://kayosite.com/internet-explorer-haslayout-in-detail.html http://www.zhangxinxu.com/wordpress/2009/12/ie%E4%B8%8Bcss-bug%E9%9B%86%E5%90%88-%E7%BF%BB%E8%AF%91%E8%87%AAhaslayout-net/ http://adamghost.com/2008/12/ie-haslayout-%E8%AF%A6%E8%A7%A3/ http://www.qianduan.net/comprehensive-haslayout.html http://www.w3help.org/zh-cn/causes/RM8002 http://www.w3help.org/zh-cn/causes/RB1006