让IE 6,7,8支持CSS3的部分属性及htc的应用

复制代码
background-size: 50px;
background-color: #0ae;
background-image: -webkit-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
background-image: -moz-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
background-image: -ms-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
background-image: -o-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
background-image: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
-pie-background: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent) 0 0 / 50px #0ae;
behavior: url(/PIE.htc);

更多demo：
五、RGBA 颜色值

复制代码
.rgba{
padding: 60px 0;
background: #000;
background: rgba(0,0,0,.2);
-pie-background: rgba(0,0,0,.2);
}

说明：不支持box-shadow

RGBA 颜色值

六、IE6 png 透明

复制代码
.png img{
-pie-png-fix: true;
behavior: url(/PIE.htc);
}
.png{
background-image:url(img.png);
-pie-background:url(img.png);
behavior: url(/PIE.htc);
}

说明：图片直接用-pie-png-fix: true，背景图片使用-pie-background来修复IE6下png透明的问题

PIE.htc下载