body {
color:#000;
    background:#E6E6FA;
    font-family: Verdana,Arial,Helvetica,sans-serif;
    font-size: 100%;
    line-height: 1;
    background: url(https://images.cnblogs.com/cnblogs_com/fan-0401/1483845/o_timg.jpg) fixed;
background-size:cover;
}
#home {
margin: 0 auto;
opacity: 0.8;
width: 85%;
min-width: 90%;
background-color:#E6E6FA;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}