/*公用*/
body {
    font-size:15px;
    padding:0;
    margin:0;
    font-family:"黑体","黑体",Courier New;
    background:
url('https://p17.qhimg.com/bdr/__85/d/_open360/design21226/1.jpg') no-repeat top center fixed;
    min-width:1200px;
}
#home {
    opacity: 0.70;
    filter: alpha(opacity=95);
    box-shadow:0 0 10px #000;
    margin:40px auto;
    width:1200px;
    background:#fff;
    overflow:auto;
    border:solid 1px #fff;
}