IE9支持css3的状况

简单记录，学习参考。

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opacity		None
multiple backgrounds		None
background-clip		None
background-size		None
background-origin		None
text-shadow		―
word-wrap		5-8
writing-mode		5-8
border-image		―
border-radius		None
box-shadow		None
overflow-x		7-8
overflow-y		7-8
multiple columns		―
box-sizing		8
RGBA colors		None
HSL colors		None
HSLA colors		None
text-stroke		―
gradients		―
transforms		―
transitions		―
outline-offset		―
resize		―
@font-face		5.5-8

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扩展阅读：

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1.?http://www.impressivewebs.com/css3-support-ie9/

2.?http://msdn.microsoft.com/en-us/library/cc351024(VS.85).aspx

3.?http://www.zhangxinxu.com/wordpress/?p=1121