animated zoom

index.html

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>Animated Zoom</title>
  <meta name="robots" content="noindex, nofollow">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="styles.css">
</head>

<body>
  <header>
    <h1>Animated Zoom</h1>
  </header>
  <div class="wrapper">
    <div class="container">
      <div class="zoom">
        <img src="images/bienale.jpg" alt="art">
      </div>
    </div>
    <!-- .container-->
  </div>
  <!-- .wrapper-->
  <footer>
    <small><a href="https://opensource.org/licenses/MIT">MIT</a></small>
  </footer>
</body>

</html>

styles.css

body {
  background: #eeeeee;
  font-size: 16px;
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  margin: 0;
}

a {
  color: crimson;
  text-decoration: none;
}

a:hover {
  color: red;
}


/* Layout
------------------------------------------*/

header,
.container,
footer {
  margin: 0 auto;
  width: 88%;
  max-width: 1080px;
}

.wrapper {
  padding: 1em 0;
  background: #ffffff;
}


/* Animated zoom
------------------------------------------*/

.zoom {
  position: relative;
  overflow: hidden;
  height: 608px;
}

@keyframes zoom-out {
  from {
    transform: scale(1.5);
  }
  to {
    transform: scale(1);
  }
}

.zoom img {
  position: absolute;
  left: 0;
  top: 0;
  animation: zoom-out 15s forwards;
}