それを自分で試してみてください - W3.CSS ref_utilities_padding

<!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 w3-padding-hor-4 w3-orange">
  <h4>w3-padding-hor-4</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-8 w3-orange">
  <h4>w3-padding-hor-8</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-16 w3-orange">
  <h4>w3-padding-hor-16</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-24 w3-orange">
  <h4>w3-padding-hor-24</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-32 w3-orange">
  <h4>w3-padding-hor-32</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-48 w3-orange">
  <h4>w3-padding-hor-48</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-64 w3-orange">
  <h4>w3-padding-hor-64</h4>
  <p>Some text...</p>
</div>
<br>

<div class="w3-container w3-padding-hor-128 w3-orange">
  <h4>w3-padding-hor-128</h4>
  <p>Some text...</p>
</div>

</body>
</html>