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<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../lib/w3.css">
<body>

<div class="w3-container w3-center w3-animate-fading">
  <h2>Animation fade in AND out</h2>
  <h5>The w3-animate-fading class fades in and out an element repeatedly.</h5>
  <p>It animates an element's opacity from 0 to 1 and 1 to 0 in 10 seconds.</p>
</div>

</body>
</html>