#slideMainDiv {
  position:relative;
  margin:0 0 10px 1px;
  width:659px;
  height:230px;
  border:0px solid #777777;
}
.slideDiv {
  position:absolute;
  left:0;
  top:0;
  width:659px;
  height:230px;
  border:0px solid red;
}