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<body class="w3-container">

<h2>Responsive Rows with Padding</h2>
<p>The <b>w3-row-padding</b> class adds 8px of left and right padding to every row column.</p>
<p>Compare the two rows, then resize the window. The w3-third columns stack at 600px or less.</p>

<h3>Without Row Padding</h3>
<div class="w3-row">
  <div class="w3-third">
    <div class="w3-container w3-red">
      <p>Column 1</p>
    </div>
  </div>
  <div class="w3-third">
    <div class="w3-container w3-green">
      <p>Column 2</p>
    </div>
  </div>
  <div class="w3-third">
    <div class="w3-container w3-blue">
      <p>Column 3</p>
    </div>
  </div>
</div>

<h3>With Row Padding</h3>
<div class="w3-row-padding">
  <div class="w3-third">
    <div class="w3-container w3-red">
      <p>Column 1</p>
    </div>
  </div>
  <div class="w3-third">
    <div class="w3-container w3-green">
      <p>Column 2</p>
    </div>
  </div>
  <div class="w3-third">
    <div class="w3-container w3-blue">
      <p>Column 3</p>
    </div>
  </div>
</div>

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