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<html><head><meta name="viewport" content="width=device-width, initial-scale=1"><style>.container { position: relative; width: 100%; max-width: 400px;}.container img { width: 100%; height: auto;}.container .btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); transform: translate(-50%, -50%); background-color: #555; color: white; font-size: 16px; padding: 12px 24px; border: none; cursor: pointer; border-radius: 5px; text-align: center;}.container .btn:hover { background-color: black;}</style></head><body><h2>Button on Image</h2><p>Add a button to an image:</p><div class="container"> <img src="img_snow.jpg" alt="Snow" style="width:100%"> <button class="btn">Button</button></div>