#banner{
  position: absolute;
  width: 300px;
  height: 250px;
  top: 0px;
  left: 0px;
  overflow: hidden;
  cursor: pointer;
  background-color: #fff;
}

.retina{
  position: absolute;
  top:0px;
  left:0px;
  width: 300px;
  height: 250px;
}

#border {
  position: absolute;
  width: 300px;
  height: 250px;
  top: 0px;
  left: 0px;
  border:1px solid #cccccc;
  z-index: 9999999;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

#overlay{
  position: absolute;
  background-color: #fff;
  width: 100%;
  height: 100%;
  z-index: 9999;
  cursor: pointer;
  top:0;
  left:0;
}

#txt1, #balk1, #txt2, #balk2, #txt2-1, #balk2-1, #txt3, #balk3, #txt3-1, #balk3-1, #txt3-2, #balk3-2, #txt4, #balk4, #txt4-1, #balk4-1, #txt5, #balk5, #txt5-1, #balk5-1{
  clip:rect(0px,0px,280px,0px)
}