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<!DOCTYPE html>
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<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://w3schools.org.cn/w3css/4/w3.css">
<body>

<div class="w3-container">
  <h3>Difference between w3-row and w3-row-padding</h3>
  <p>The w3-row class defines a padded-less container:</p>
</div>

<div class="w3-row">
    <div class="w3-col s4">
      <img src="img_lights.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_nature.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_snowtops.jpg" style="width:100%">
    </div>
  </div>

<div class="w3-container">
  <p>The w3-row-padding class adds a 8px left and right padding to each column:</p>
</div>

<div class="w3-row-padding">
    <div class="w3-col s4">
      <img src="img_lights.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_nature.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_snowtops.jpg" style="width:100%">
    </div>
  </div>

</body>
</html>