给伪元素content: ''、绝对定位,四处为0,left:0....
给伪元素一样的背景图,并给z-index: -1 、给自身z-index:1 ***重要,必须给!
最后给 伪元素 filter: blur(37px) 属性值,效果就出来了。
body{
background: url(./heroheart.jpg)
background-size: cover
}
#app{
margin: 100px auto
width: 600px
height: 370px
background: rgba(0,0,0,.5)
padding: 100px
position: relative
z-index: 1
}
#app::after{
position: absolute
left: 0top: 0
bottom: 0right: 0
content: ''
background: url(./heroheart.jpg)
background-size:cover
z-index: -1
filter: blur(37px)
}
p{
font-size: 28px
color: #FFFFFF
margin-bottom: 30px
}
<div id="app">
<p>时间带走了回不去的青春,</p>
<p>却带不走我一往无前的心!</p>
<p>世间万物,万般困难、</p>
<p>能耐我何?</p>
</div>
代码:透明背景(带磨砂玻璃效果) 注:在粘贴到空白模板前一定先打个空格。
<STYLE type=text/css>.bodytop{background:#transparent}
.banner{ background:#transparent}
.menu{ background:#transparent}
.bodyBg {background:#transparentfilter:progid:DXImageTransform.Microsoft.gradient(GradientType ='1',enabled='true',startColorstr=#AAFFFFFF, endColorstr=#AAFFFFFF)}
.zone{ background:#transparent}
.bodyBottom{background:#transparent}
.feeds .up{background:#transparent}
.feeds .down{background:#transparent }
.feeds .function{background:#transparent}
.feeds .page{background:#transparent}
.aList .sysHand .up{background:#transparent}
.aList .sysHand .down{background:#transparent}
.gbook .sysHand .up{background:#transparent}
.gbook .sysHand .down{background:#transparent}
.gbook .title{display:none}
.logo{display:none}
.gbook .page{background:#transparent }
.gbook .login{background:#transparent}
.box_1{background:#transparent}
.box_2{background:#transparent}
.calendar{background:#transparent}
.calendar .mid{background:#transparent}
.calendar .top{background:#transparent}
.calendar .title{background:#transparent}
.calendar .bold td{background:#transparent}
.calendar .bottom{background:#transparent}
.callboard .mid{background:#transparent}
.callboard .mid img{background:#transparent}
.callboard .front{background:#transparent}
.callboard .back{background:#transparent}
.callboard table{background:#transparent}
.callboard .up{background:#transparent}
.callboard .down{background:#transparent }
.sysBr{background:#transparent}
.sysBr210{background:#transparent}
.label{background:#transparent}
.label .mid{background:#transparent}
.label .top{background:#transparent}
.label .bottom{background:#transparent}
.photo{background:#transparent}
.photo .mid{background:#transparent}
.photo .image{background:#transparent}
.photo .top{background:#transparent}
.photo .bottom{background:#transparent}
.links{background:#transparent}
.links .up{background:#transparent}
.links .down{background:#transparent }
.links .mid{background:#transparent}
body{background:url("
http://s11.sinaimg.cn/orignal/439175a380fda7635072a
") repeat fixed!important}
.add{background:#transparent}
.add .ico{background:#transparent}
</STYLE>