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<title>W3.CSS</title>
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<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>
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<div class="w3-container w3-blue">
<h1>I am Blue</h1>
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<div class="w3-container w3-green">
<h1>I am Green</h1>
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<div class="w3-container w3-section w3-blue">
<h1>I am Blue</h1>
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<div class="w3-container w3-section w3-green">
<h1>I am Green</h1>
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