body {
    background-image: url("https://images.cnblogs.com/cnblogs_com/nietzsche-oier/921656/o_ChMkJlbefRWIDsowAB4TtnNksRQAAM7ogKea_wAHhPO653.jpg");
    background-position: center;
background-repeat: repeat;
background-attachment: fixed;
}
#home {
    background-color: #fff;
    -moz-opacity:0.8;
    opacity: 0.9;
    font-family: "微软雅黑";
    font-size: 13px;
    color: #000;
    padding-top: 30px;
    padding-right: 25px;
    word-wrap: break-word;
    box-shadow: 0 0 35px green;
    position: relative;
    width: 1325px;
    margin: 15px auto;
    line-height: 1.5;
}
#mainContent {
    float: left;
    width: 1000px;
}