Frontend/polaroid-pets.css

.gallery {
  --d: 10s;
  display: grid;
  width: 27.098vw;
  margin-left: 5.088vw;
}

.gallery > .pets-img {
  grid-area: 1/1;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 10px solid #f2f2f2;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.4666666667);
  z-index: 2;
  animation: slide var(--d) infinite, z-order var(--d) infinite steps(1);
}

.gallery .pets-img:last-child {
  animation-name: slide, z-order-last;
}

.gallery > .pets-img:nth-child(1) {
  animation-delay: calc(0 * var(--d));
  --r: -17deg;
}

.gallery > .pets-img:nth-child(2) {
  animation-delay: calc(-0.2 * var(--d));
  --r: 1deg;
}

.gallery > .pets-img:nth-child(3) {
  animation-delay: calc(-0.4 * var(--d));
  --r: 16deg;
}

.gallery > .pets-img:nth-child(4) {
  animation-delay: calc(-0.6 * var(--d));
  --r: 19deg;
}

.gallery > .pets-img:nth-child(5) {
  animation-delay: calc(-0.8 * var(--d));
  --r: -13deg;
}

@keyframes slide {
  16.67% {
    transform: translateX(90%) rotate(var(--r));
  }
  33.33% {
    transform: translateX(0%) rotate(var(--r));
  }
}
@keyframes z-order {
  16.67%, 33.33% {
    z-index: 1;
  }
  66.33% {
    z-index: 2;
  }
}
@keyframes z-order-last {
  16.67%, 33.33% {
    z-index: 1;
  }
  83.33% {
    z-index: 2;
  }
}
/* body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-content: center;
  background: #CDB380;
  overflow: hidden;
} */