.item-1, 
.item-2, 
.item-3 {
  display: block;
  position:absolute;
  width: 50%;
  

	animation-duration: 12s;
	animation-timing-function: ease-in-out;
	animation-iteration-count: infinite;
}

.item-1{
	animation-name: anim-1;
}

.item-2{
	animation-name: anim-2;
}

.item-3{
	animation-name: anim-3;
}

@keyframes anim-1 {
	0%, 8.3% { left: -100%; opacity: 0; }
  8.3%,25% { left: 25%; opacity: 1; }
  33.33%, 100% { left: 110%; opacity: 0; }
}

@keyframes anim-2 {
	0%, 33.33% { left: -100%; opacity: 0; }
  41.63%, 58.29% { left: 25%; opacity: 1; }
  66.66%, 100% { left: 110%; opacity: 0; }
}

@keyframes anim-3 {
	0%, 66.66% { left: -100%; opacity: 0; }
  74.96%, 91.62% { left: 25%; opacity: 1; }
  100% { left: 110%; opacity: 0; }
}