div#bg { 
  position:absolute;
  width:150px; height:125px;
  border:1px solid #bbbbbb 
}

div#wn {
  position:absolute;
  width:145px; height:120px; 
  overflow:hidden;
  left:5px; 
}

div#cnt {
  position:absolute;
}

div#cnt div.item {
  width:145px; height:120px;
}