.homepage {
  float: left;
  width: 531px;
  overflow:hidden;
 
  height:567px;
  background:url(../image2/home_back.png) right no-repeat;

}
#cupon {
position:absolute;
left:0px;
top:450px;

background:url(../image2/cupon.png) right no-repeat;
width:789px;
height:331px;

}