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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">
<h3>Mobile First Fluid Grid</h3>
<p class="w3-large">Try to resize the window!</p>
</div>

<div class="w3-row">
  <div class="w3-col m1 w3-center w3-grey">1</div>
  <div class="w3-col m1 w3-center">2</div>
  <div class="w3-col m1 w3-center w3-grey">3</div>
  <div class="w3-col m1 w3-center">4</div>
  <div class="w3-col m1 w3-center w3-grey">5</div>
  <div class="w3-col m1 w3-center">6</div>
  <div class="w3-col m1 w3-center w3-grey">7</div>
  <div class="w3-col m1 w3-center">8</div>
  <div class="w3-col m1 w3-center w3-grey">9</div>
  <div class="w3-col m1 w3-center">10</div>
  <div class="w3-col m1 w3-center w3-grey">11</div>
  <div class="w3-col m1 w3-center">12</div>
</div>

<div class="w3-row">
<div class="w3-col w3-container m4 l3 w3-yellow">
<p>This part will occupy 12 columns on a small screen, 4 on a medium screen, and 3 on a large screen.</p>
</div>
<div class="w3-col w3-container m8 l9">  
<p>This part will occupy 12 columns on a small screen, 8 on a medium screen, and 9 on a large screen.</p>
<p>This part will occupy 12 columns on a small screen, 8 on a medium screen, and 9 on a large screen.</p>
</div>
</div>

</body>

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</html>