#top {
height: 89px;
background: url(https://images.cnblogs.com/cnblogs_com/tuzi/305827/r_top.png) repeat-x;
position: absolute;
left: 0px;
top: 0px;
width: 100%;
}

body
{
background: url(https://images.cnblogs.com/cnblogs_com/tuzi/305827/r_cloud_bg.jpg) no-repeat;
}