.card {
  transform: rotateY(180deg);
  transition: transform 1s ease;
  opacity: 0;
}

.card.flip-in {
  transform: rotateY(0);
  opacity: 1;
}

.card img {
  width: 100%;
  max-width: 200px;
}

.card img.reversed {
  transform: rotate(180deg);
}