3D Cards | Learning Axis

HTML

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #ffffff;
  font-family: "Poppins", sans-serif;
}
.slideshow {
  position: relative;
  width: 300px;
  height: 400px;
  transform-style: preserve-3d;
  perspective: 1000px;
}
.slideshow .slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  border-radius: 20px;
  transform: rotateY(270deg);
  animation: animate 40s linear infinite;
  animation-delay: calc(var(--i) * 4s);
}
@keyframes animate {
  0% {
    transform: rotateY(270deg);
  }
  10%, 100% {
    transform: rotateY(90deg);
  }
}
.slideshow .slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--clr);
  border-radius: 20px;
  transform: rotateY(180deg);
  backface-visibility: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  animation: gradientShift 4s ease-in-out infinite alternate;
}
@keyframes gradientShift {
  0% { filter: brightness(1); }
  50% { filter: brightness(1.15); }
  100% { filter: brightness(1); }
}
.slideshow .slide h2 {
  position: relative;
  z-index: 10;
  color: #ffffff;
  font-size: 1.8em;
  text-align: center;
  transform: rotateY(180deg) translateZ(50px); /* Now faces front */
  backface-visibility: hidden;
  font-weight: 700;
  text-shadow: 0 3px 8px rgba(0,0,0,0.3);
}
.slideshow .slide h2 span {
  display: block;
  font-size: 0.8em;
  font-weight: 300;
}