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<html><title>W3.CSS</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="../w3css/4/w3.css"><body class="w3-container"><h2>W3.CSS Colors</h2><div class="w3-container w3-indigo"><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-container w3-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-container w3-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-container w3-amber"><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-container w3-blue-grey"><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-container w3-green"><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-container w3-teal"><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-container w3-aqua"><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-container w3-black">