body {
    margin: 0;
    padding: 0;
    font-family: verdana,Arial,helvetica,sans-seriff;
    font-size: 12px;
    word-break: break-all;
    line-height: 160%;
    background-color: #f6f6f6;
    text-align: left;
    background: url(https://images.cnblogs.com/cnblogs_com/xuqw/1579341/o_hd.jpg) fixed;
}
#home {
    margin: 0 auto;
    width: 65%;
    min-width: 950px;
    background-color: #fff;
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100,100,100,.3);
    opacity: 0.8;
}