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

<div class="w3-container">
  <h2>Button Sizes</h2>

<p><button class="w3-button w3-border w3-tiny">Tiny</button></p>
  <p><button class="w3-button w3-border w3-small">Small</button></p>
  <p><button class="w3-button w3-border w3-medium">Medium</button></p>
  <p><button class="w3-button w3-border w3-large">Large</button></p>
  <p><button class="w3-button w3-border w3-xlarge">XLarge</button></p>
  <p><button class="w3-button w3-border w3-xxlarge">XXLarge</button></p>
  <p><button class="w3-button w3-border w3-xxxlarge">XXXLarge</button></p>
  <p><button class="w3-button w3-border w3-jumbo">Jumbo</button></p>

<p><button class="w3-btn w3-border w3-tiny">Tiny</button></p>
  <p><button class="w3-btn w3-border w3-small">Small</button></p>
  <p><button class="w3-btn w3-border w3-medium">Medium</button></p>
  <p><button class="w3-btn w3-border w3-large">Large</button></p>
  <p><button class="w3-btn w3-border w3-xlarge">XLarge</button></p>
  <p><button class="w3-btn w3-border w3-xxlarge">XXLarge</button></p>
  <p><button class="w3-btn w3-border w3-xxxlarge">XXXLarge</button></p>
  <p><button class="w3-btn w3-border w3-jumbo">Jumbo</button></p>

</div>

</body>
</html>