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<h2>Responsive Navigation Bars</h2>

<p>The <strong>w3-mobile</strong> class defines responsive elements.</p>
<p>On medium and large screens (tablets and desktops), the bar items will appear side by side horizontally. On smalls screens (smartphones), the items are vertically and centered:</p>
<p><strong>Resize the browser window to see the effect.</strong></p>

<p>Default navigation bar:</p>
<div class="w3-bar w3-black">
  <a href="#" class="w3-bar-item w3-button">Home</a>
  <a href="#" class="w3-bar-item w3-button">Link 1</a>
  <a href="#" class="w3-bar-item w3-button">Link 2</a>
  <a href="#" class="w3-bar-item w3-button">Link 3</a>
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<p>Responsive navigation bar:</p>
<div class="w3-bar w3-black">
  <a href="#" class="w3-bar-item w3-button w3-mobile">Home</a>
  <a href="#" class="w3-bar-item w3-button w3-mobile">Link 1</a>
  <a href="#" class="w3-bar-item w3-button w3-mobile">Link 2</a>
  <a href="#" class="w3-bar-item w3-button w3-mobile">Link 3</a>
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