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<html><title>W3.CSS</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css"><body><div class="w3-container"> <h2>Borders</h2> <div class="w3-panel w3-border"> <p>My borders are normal.</p> </div> <div class="w3-panel w3-border w3-round-small"> <p>My borders are rounded (small).</p> </div> <div class="w3-panel w3-border w3-round"> <p>My borders are rounded.</p> </div> <div class="w3-panel w3-border w3-round-large"> <p>I have large rounded borders.</p> </div> <div class="w3-panel w3-border w3-round-xlarge"> <p>I have xlarge rounded borders.</p> </div> <div class="w3-panel w3-border w3-round-xxlarge"> <p>I have xxlarge rounded borders.</p> </div></div></body></html>