@keyframes autoRun3d {
  from {
    transform: perspective(800px) rotateY(-360deg);
  }
  to {
    transform: perspective(800px) rotateY(0deg);
  }
}

@keyframes animateBrightness {
  10% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(0.1);
  }
  90% {
    filter: brightness(1);
  }
}

.card-3d {
  position: relative;
  width: 400px;
  height: 200px;
  transform-style: preserve-3d;
  transform: perspective(800px);
  animation: autoRun3d 20s linear infinite;
  will-change: transform;
}

.card-3d div {
  position: absolute;
  width: 80px;
  height: 112px;
  background-color: rgb(199, 199, 199);
  border: solid 2px lightgray;
  border-radius: 0.5rem;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  animation: animateBrightness 20s linear infinite;
  transition-duration: 200ms;
  will-change: transform, filter;
}

.card-3d:hover {
  animation-play-state: paused !important;
}

.card-3d:hover div {
  animation-play-state: paused !important;
}

.card-3d div:nth-child(1) {
  transform: translate(-50%, -50%) rotateY(0deg) translateZ(150px);
  animation-delay: -0s;
}

.card-3d div:nth-child(2) {
  transform: translate(-50%, -50%) rotateY(36deg) translateZ(150px);
  animation-delay: -2s;
}

.card-3d div:nth-child(3) {
  transform: translate(-50%, -50%) rotateY(72deg) translateZ(150px);
  animation-delay: -4s;
}

.card-3d div:nth-child(4) {
  transform: translate(-50%, -50%) rotateY(108deg) translateZ(150px);
  animation-delay: -6s;
}

.card-3d div:nth-child(5) {
  transform: translate(-50%, -50%) rotateY(144deg) translateZ(150px);
  animation-delay: -8s;
}

.card-3d div:nth-child(6) {
  transform: translate(-50%, -50%) rotateY(180deg) translateZ(150px);
  animation-delay: -10s;
}

.card-3d div:nth-child(7) {
  transform: translate(-50%, -50%) rotateY(216deg) translateZ(150px);
  animation-delay: -12s;
}

.card-3d div:nth-child(8) {
  transform: translate(-50%, -50%) rotateY(252deg) translateZ(150px);
  animation-delay: -14s;
}

.card-3d div:nth-child(9) {
  transform: translate(-50%, -50%) rotateY(288deg) translateZ(150px);
  animation-delay: -16s;
}

.card-3d div:nth-child(10) {
  transform: translate(-50%, -50%) rotateY(324deg) translateZ(150px);
  animation-delay: -18s;
}