.pic-ctn {
  width: 200px;
  height: 600px;
}

@keyframes display {
  0% {
    transform: translateX(200px);
    opacity: 0;
  }
  10% {
    transform: translateX(0);
    opacity: 1;
  }
  20% {
    transform: translateX(0);
    opacity: 1;
  }
  30% {
    transform: translateX(-200px);
    opacity: 0;
  }
  100% {
    transform: translateX(-200px);
    opacity: 0;
  }
}

.pic-ctn {
  position: relative;
  width: 200px;
  height: 600px;
  margin-top: 15px;
}

.pic-ctn > img {
  position: absolute;
  top: 0;
  left: calc(50% - 100px);
  opacity: 0;
  animation: display 10s infinite;
}

img:nth-child(2) {
  animation-delay: 2s;
}
img:nth-child(3) {
  animation-delay: 4s;
}
img:nth-child(4) {
  animation-delay: 6s;
}
img:nth-child(5) {
  animation-delay: 8s;
}