JSFiddle - React, Tailwind, and code Playground

HTML

<div class=card class=flipped>
  <figure class="front1">1</figure>
  <figure class="back1">2</figure>
</div>

<div class=card class=flipped style="margin: 0 100px">
  <figure class="front2">1</figure>
  <figure class="back1">2</figure>
</div>

<div class=card class=flipped style="margin: 0 200px">
  <figure class="front1">1</figure>
  <figure class="back2">2</figure>
</div>

CSS

.card {
  height: 80px;
  width: 50px;
  line-height: 80px;
  font-size: 60px;
  position: absolute;
  text-align: center;
  transform-style: preserve-3d;
}

.card .front1 {
  background: red;
}

.card .back1 {
  background: green;
}

.card .front2 {
  background: red;
  transform: rotateY(180deg);
}

.card .back2 {
  background: green;
  transform: rotateY(180deg);
}

.card figure {
  position: absolute;
  height: 100%;
  width: 100%;
  color: white;
}

JavaScript

// In the first example none is turned
// In the second example 'front2' is turned and not visible
// In the third example 'back2' is turned and not visible