body {
color: #000;
background: url(https://desk-fd.zol-img.com.cn/t_s1920x1080c5/g5/M00/0E/05/ChMkJ1vpMf6IfTVhABkom_u3mGQAAtHsgE8OPQAGSiz944.jpg
) fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}