body {
color: #000;
background: url(https://b.zol-img.com.cn/desk/bizhi/start/2/1365651061352.jpg
) fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}
#home { opacity: 0.80;}