.clipout{
  position:relative;
  width:120px;
  height:80px;
  top:-1px;
  left:-1px;
}
.clipin{
  position:absolute;
  clip:rect(0px 120px 80px 0px);
  top:0px;
  left:0px;
}
.shade1{
  width:120px;
  height:80px;
  background-color:#e8e8e8;
}
.shade2{
  position:relative;
  width:120px;
  height:80px;
  background-color:#cbcbcb;
  top:-2px;
  left:-2px;
}
.shade3{
  position:relative;
  width:120px;
  height:80px;
  background-color:#a0a0a0;
  top:-1px;
  left:-1px;
}