body {
    color: #000;
    background: #eee;
    font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 9pt;
    min-height: 101%;
    background: url(//images.cnblogs.com/cnblogs_com/syay/1986342/o_2106100829071920x1080.png) fixed;
}
#home {
margin: 0 auto;
opacity: 0.8;
width: 65%;
min-width: 1080px;
background-color: #fff;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}