body{

}

.wrapper{
  position: relative;
}

#simplePan1{
  width: 100%;
  height: 600px;
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: none;
  box-shadow: inset 0 0 5px #000;
}

.simple-pan::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  box-shadow: inset 0 0 8px rgba(0,0,0,.6);
  -moz-box-shadow: inset 0 0 8px rgba(0,0,0,.6);
  -webkit-box-shadow: inset 0 0 8px rgba(0,0,0,.6);
  z-index: 999;

}