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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 w3-auto"><h2>W3.CSS Alerts</h2><p>The w3-panel class is used to display alerts:</p><div class="w3-panel w3-pale-red w3-border"> <h3>Danger!</h3> <p>Red often indicates a dangerous or negative situation.</p></div><div class="w3-panel w3-pale-yellow w3-border"> <h3>Warning!</h3> <p>Yellow or orange often indicates a warning that might need attention.</p></div><div class="w3-panel w3-pale-green w3-border"> <h3>Success!</h3> <p>Green often indicates something successful or positive.</p></div><div class="w3-panel w3-pale-blue w3-border"> <h3>Information!</h3> <p>Blue often indicates a neutral informative change or action.</p></div><div class="w3-panel w3-red"> <h3>Danger!</h3> <p>Red often indicates a dangerous or negative situation.</p></div><div class="w3-panel w3-yellow"> <h3>Warning!</h3> <p>Yellow or orange often indicates a warning that might need attention.</p></div><div class="w3-panel w3-green"> <h3>Success!</h3> <p>Green often indicates something successful or positive.</p></div><div class="w3-panel w3-blue w3">