.slide-container-back {
  width: 200px;
  height: 200px;
  z-index:-1;
  background-position: center;
  background-repeat:no-repeat;
  border-color:transparent;
  border-style:ridge;
  border-width:4;
}

.slide-container-front {
  width: 200px;
  height: 200px;
  background-position: center;
  background-repeat:no-repeat;
  position:relative;
  top:-208px;
  border-color:transparent;
  border-style:ridge;
  border-width:4;
}

.dummy-frame {
  width: 200px;
  height: 200px;
  background-color:transparent;  
}

.bottom-frame {
  width: 100%;
  height: 208px;
  float: bottom;
  overflow:hidden;
}