body {
    display: block;
    margin: 0px;
    margin-top: 0px;
    margin-right: 0px;
    margin-bottom: 0px;
    margin-left: 0px;
}

.image-container {
  position: relative;
}
.image-container img {
  position: absolute;
  animation-name: multiple-image-crossfade;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-duration: 12s;
}
.image-container img:nth-of-type(1) {
  animation-delay: 9s;
}
.image-container img:nth-of-type(2) {
  animation-delay: 6s;
}
.image-container img:nth-of-type(3) {
  animation-delay: 3s;
}
.image-container img:nth-of-type(4) {
  animation-delay: 0;
}

@keyframes multiple-image-crossfade {
  0% {
    opacity: 1;
  }
  17% {
    opacity: 1;
  }
  25% {
    opacity: 0;
  }
  92% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}