.rotateimg180 {
  -webkit-transform:rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -ms-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
  transform: rotateY(180deg);

}

.RightColumnU-div {
  position: absolute;
  background-position: center;
  background-image: url("https://www.orgacococoffee.com/border-smoke-tall-R.poj");
  margin-left: 415px;
  width: 75px;
  height: 750px;
  top: 0px;
  margin-top: 0px;
  left: 50%;
  margin-right: -50%;
  z-index: 2;

}

.RightColumn-div {
  position: absolute;
  background-position: center;
  background-image: url("https://www.orgacococoffee.com/border-waves-R.jpx");
  margin-left: 415px;
  width: 75px;
  height: 750px;
  top: 0px;
  margin-top: 0px;
  left: 50%;
  margin-right: -50%;
  z-index: 3;

}

.RightColumnHall-div {
  position: absolute;
  background-position: center;
  background-image: url("https://www.orgacococoffee.com/border-waves-B.bbf");
  margin-left: 415px;
  width: 75px;
  height: 750px;
  top: 0px;
  margin-top: 0px;
  left: 50%;
  margin-right: -50%;
  z-index: 4;

}