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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/4/w3.css"><body><div class="w3-container"> <h2>Dropdown Button</h2> <p>Move the mouse over the button to open the dropdown content.</p> <div class="w3-dropdown-hover"> <button class="w3-button w3-black">Hover Over Me!</button> <div class="w3-dropdown-content w3-bar-block w3-border"> <a href="#" class="w3-bar-item w3-button">Link 1</a> <a href="#" class="w3-bar-item w3-button">Link 2</a> <a href="#" class="w3-bar-item w3-button">Link 3</a> </div> </div></div></body></html>