body {
    color: #000;
    background-color: #e6e6e6;
    font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
    font-size: 12px;
    min-height: 101%;
    background: url(https://images.cnblogs.com/cnblogs_com/blogs/694667/galleries/2001420/o_210717104609ChMkJ14dLNeIfJBuAAZKuwc_TagAAwWUAJPWVAABkrT442.jpg) 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);
}