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<title>W3.CSS</title>
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<h2>The w3-mobile Class</h2>
<p>The <strong>w3-mobile</strong> class adds mobile-first responsivenss to any element.</p>
<p>It adds display:block and width:100% to an element on screens that are less than 600px wide.</p>
<p>Resize the browser window to see the effect:</p>
<button class="w3-button w3-black w3-mobile">Home</button>
<button class="w3-button w3-black w3-mobile">Link 1</button>
<button class="w3-button w3-black w3-mobile">Link 2</button>
<button class="w3-button w3-black w3-mobile">Link 3</button>
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