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<html><title>W3.CSS</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="4/w3.css"><body><div class="w3-container"> <h2>Displaying Notes</h2> <p>The w3-panel class can be used to display all sorts of notes:</p> <div class="w3-panel w3-yellow"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-border"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-light-grey w3-border w3-round"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-pale-blue w3-leftbar w3-border-blue"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-pale-red w3-leftbar w3-rightbar w3-border-red"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-pale-yellow w3-topbar w3-bottombar w3-border-yellow"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-pale-green w3-bottombar w3-border-green w3-border"> <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.</p> </div> <div class="w3-panel w3-yellow w3-bottombar w3-border-amber">