body { font-family: Arial, sans-serif; text-align: center; padding: 50px; background-color: #f5f5f5; }
h1 { color: #2c3e50; }
button { padding: 10px 20px; font-size: 16px; background-color: #3498db; color: white; border: none; border-radius: 5px; cursor: pointer; }
button:hover { background-color: #2980b9; }