CSS backface-visibility Property - Playground Example

<!DOCTYPE html><html><head><style type="text/css">.scene {
  width: 320px;
  height: 200px;
  perspective: 1000px;
  margin: 40px auto;
}
.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  cursor: pointer;
  border-radius: 10px;
}
.card:focus,
.card:hover {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}
.card__face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
  box-sizing: border-box;
  color: #222;
}
.card__face--front {
  background: linear-gradient(135deg, #ffffff 0%, #e0f7fa 100%);
}
.card__face--back {
  background: linear-gradient(135deg, #fff3e0 0%, #ffccbc 100%);
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}
.card__face h2 {
  margin: 0 0 8px 0;
  font-size: 1.25rem;
}
.card__face p {
  margin: 0;
}
</style></head><body><div class='scene'>
  <div class='card' tabindex='0'>
    <div class='card__face card__face--front'>
      <h2>Front</h2>
      <p>Click or hover to flip</p>
    </div>
    <div class='card__face card__face--back'>
      <h2>Back</h2>
      <p>This is the back face</p>
    </div>
  </div>
</div></body></html>