.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: white;
}

.fade-in-out {
  animation: fade-in-out 7s infinite;
  opacity: 0;
}

@keyframes fade-in-out {
  0%, 10%, 20%, 80%, 100% {
    opacity: 0;
  }
  30%, 40%, 50%, 60%, 70% {
    opacity: 1;
  }
}

img {
  max-width: 100%;
  height: auto;
}