.decoration-container {
  position: absolute;
  width: 0;
  height: 0;
}
.decoration-container .decoration-element {
  position: absolute;
  top: 0;
  left: 0;
  background-repeat: no-repeat;
  background-size: cover;
  transition: all ease 0.4s;
  pointer-events: none;
  transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
}