/* t3.css - HTML 2.0 */ body { font-family: 'Segoe UI', sans-serif; background-color: #f0f0f0; color: #ddd; margin: 0; padding: 30px; background-image: url(../img/codevert.jpg); } button { padding: 10px 20px; border: none; background-color: #000000; color: white; cursor: pointer; border-radius: 10px; font-weight: bold; } button:hover { background-color: #66ff00; } output { color: #ddd; font-size: 50px; } img { max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); } table { width: 100%; border-collapse: collapse; border: 1px solid #ccc; } th { font-size: 20px; } td { padding: 10px; text-align: left; border: 1px solid #ddd; }