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/758480/galleries/2183162/o_220702033723_wallhaven-x1wroo.jpg) fixed;
}
#home {
margin: 0 auto;
opacity: 0.9;
80%;
min- 1080px;

padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}