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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 Blue</h1> </div> <div class="w3-container w3-section w3-green"> <h1>I am Green</h1> </div> </body> </html>
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