#postcards {
  position: relative;
  width: 100%;
  height: auto;
  background-image: url("../IMG/postcards-rocks.jpeg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: grid;
  place-items: center;
  padding: var(--xl) var(--l);
}
@media (max-width: 768px) {
  #postcards {
    padding: var(--xl) var(--xs);
  }
}
#postcards::after {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}
#postcards .postcards-container {
  position: relative;
  z-index: 2;
  width: 90%;
  height: auto;
  display: grid;
  place-items: center;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1vw 1.5vw;
}
@media (max-width: 768px) {
  #postcards .postcards-container {
    grid-template-columns: 1fr;
  }
}
#postcards .postcards-container .postcard {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/11;
  aspect-ratio: auto 16/11;
}
#postcards .postcards-container .postcard img {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
#postcards .postcards-container .postcard .front {
  transform: rotateY(0deg);
  transition: transform 0.3s 0.3s ease-out;
}
#postcards .postcards-container .postcard .back {
  transform: rotateY(90deg);
  transition: transform 0.3s ease-in;
}
#postcards .postcards-container .postcard:hover .front {
  transform: rotateY(90deg);
  transition-delay: 0s;
  transition-timing-function: ease-in;
}
#postcards .postcards-container .postcard:hover .back {
  transform: rotateY(0deg);
  transition-delay: 0.3s;
  transition-timing-function: ease-out;
}/*# sourceMappingURL=postcards.css.map */