*, *:before, *:after {
  box-sizing: border-box;
}
 
 
.split {
  width: 100%;

  position: relative;

  left: 50%;
          transform: translate(-50%, 0%);
          perspective: 400px;
  cursor: pointer;
  background-image: url('img/backgroundbannerW.png');
  background-repeat: no-repeat;
}

.split img {
  height: 100%;
  width: 100%;
  opacity: 0;
}
.split div {
  position: absolute;
  z-index: 1;
  background-repeat: no-repeat;
  transform: rotateY(-50deg) scale(0.5);
  opacity: 0;
  transform-origin: bottom;
  transition: all 0.6s cubic-bezier(0.71, 0.05, 0.09, 0.91);
}
.split.active div {
  opacity: 1;
  transform: rotate(0deg) translateY(0);
}