应用背景
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*{margin:0;padding:0;list-style:none;}
body {
background-color: #FFF;
background-image: url(bg.jpg);
background-repeat: repeat;
font-family: "Microsoft YaHei", "SimSun", Arial, Helvetica, sans-serif;
}
.rwerw {
height: 600px;
width: 1100px;
margin-top: 0px;
margin-right: auto;
margin-bottom: 50px;
margin-left: auto;
background: #000;
background: rgba(0, 0, 0, 0.9);
padding: 10px;
border-radius: 8px;
-webkit-box-shadow: 0 38px 30px -18px rgba(0, 0, 0, 0.5);
-moz-box-