body {
  font-family: sans-serif;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;

  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.scene {
  width: 200px;
  height: 240px;
  perspective: 600px;
}

.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
}

.face {
  position: absolute;
  width: 100%;
  height: 100%;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;

  box-sizing: border-box;
  border-radius: 20px;

  backface-visibility: hidden;
}

.front {
  font-size: 36px;
  border: 2px solid rgb(220 38 38);
  color: #fff;
  background-color: rgb(54 83 20);
}

.back {
  font-size: 128px;
  border: 2px solid #000;
  background-color: #fff;
  color: red;
  transform: rotateY(180deg);
}