.slide{
  overflow: hidden;
}

.slide > img{
  animation: slide 50s infinite linear;
  opacity: 0;
  position: absolute;
}

@keyframes slide {
  5% {
    opacity: 1;
  }
  20% {
    opacity: 1;
  }
  30% {
    opacity: 0;
  }
  40% {
    transform: scale(1.2);
  }
}