代码片段►CSS

CSS3实现毛玻璃效果 

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body {
    background: url(xxxxxx.jpg);
}
.content: {
    position: relative;
    overflow: hidden;
    ....
}
.content::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -1;
    background: url(xxxxx.jpg);
    background-repeat: no-repeat;
    background-size: auto;
    background-attachment: fixed;
    filter: blur(4px);
    margin: -30px;
}

利用css3 filter属性级background相关属性实现