body {
    color: #000;
    background-color: #e6e6e6;
    background: url(https://images.cnblogs.com/cnblogs_com/ccqy/1639597/o_200131023734homebackground2.jpg) fixed;
    background-repeat:no-repeat;
    background-size: auto 100%
    background-position:center;
    font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
    font-size: 12px;
    min-height: 101%;
   
}
#home {
margin: 0 auto;
opacity: 0.9;
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);
}