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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">
  <h2>Displaying Sections</h2>
  <p>The w3-section class adds a 16px top and bottom margin to any HTML element, and can be used to separate sections of HTML content:</p>
</div>

<div class="w3-container w3-section w3-blue">
  <h1>I am Heading 1</h1>
  <p>I am a paragraph.</p>
</div>
<div class="w3-container w3-section w3-green">
  <h1>I am Heading 1</h1>
  <p>I am a paragraph.</p>
</div>

</body>
</html>