body {
    color: #000;
    background: #fff;
    font-family: Verdana,Arial,Helvetica,sans-serif;
    font-size: 12px;
    min-height: 101%;
    background: url(https://images.cnblogs.com/cnblogs_com/yaopeiyun/1639202/o_200131050645%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20200131120731.jpg) fixed;
}

#home {
    margin: 0 auto;
    width: 980px;
    opacity: 0.95
}