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<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../lib/w3.css">
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<div class="w3-container w3-blue">
<h1>I am a Heading</h1>
<p>I am a paragraph.</p>
<p>Normally you will not have to change the default padding of a container, because paragraphs and heading provide margins that will simulate padding.</p>
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</body>
</html>