body {
color: #000;
background: url  https://img17.3lian.com/201612/14/0f4bc709916fcdab332b97c2fe0cb333.jpg fixed;
background-size: 1300px;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}