#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);
}
body {
    background: #BBBBBB;
    margin-top: 35px;
    padding: 0;
    font-family: 'PingFang SC','Helvetica Neue','Helvetica','Arial',sans-serif;
    margin-left: 5px;
    margin-right: 5px;
    background: url(https://dik.img.kttpdq.com/pic/22/15139/e78b17793649fbfe.jpg) fixed;
}