[CSS] Create a Card Flip Animation with CSS

Animation can be a powerful way to enhance a user experience. In this lesson, we'll walk through the creation of a card-flip animation, creating a nice visual effect when toggling between the front and back of a div meant to represent a card, like a playing card, or a flashcard. We'll create this effect using a touch of JavaScript and CSS transforms. No framework or library required.

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 50vw;
  margin: auto;
}

.card {
  margin-top: 1rem;
  height: 60vh;
  width: 100%;
  position: relative;
}

.cardFront,
.cardBack {
  border-radius: 0.25rem;
  height: 100%;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  width: 100%;
  position: absolute;
  backface-visibility: hidden;
  transition: transform 0.5s ease;
}

.cardBack {
  transform: perspective(600px) rotateY(180deg);
  background-color: #ebf4ff;
}

.cardBack.flipped {
  transform: perspective(600px) rotateY(0deg);
}

.cardFront {
  transform: perspective(600px) rotateY(0deg);
}

.cardFront.flipped {
  transform: perspective(600px) rotateY(-180deg);
}

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>CSS Card Flip</title>
    <link rel="stylesheet" href="./styles.css" />
  </head>
  <body>
    <div class="container">
      <button type="button" id="flip-btn">Flip Card</button>
      <div class="card">
        <div id="back" class="cardBack">Back</div>
        <div id="front" class="cardFront">Front</div>
      </div>
    </div>
    <script>
      const front = document.getElementById('front')
      const back = document.getElementById('back')
      const btn = document.getElementById('flip-btn')
      function handleFlip() {
        front.classList.toggle('flipped')
        back.classList.toggle('flipped')
      }
      btn.addEventListener('click', handleFlip)
    </script>
  </body>
</html>

[CSS] Create a Card Flip Animation with CSS

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