body { font-family: Arial, sans-serif; text-align: center; } .container { margin-top: 50px; } h1 { color: #333; } button { padding: 10px 20px; font-size: 16px; background-color: #007bff; color: #fff; border: none; border-radius: 5px; cursor: pointer; } button:hover { background-color: #0056b3; } p { margin-top: 20px; font-size: 18px; } #score { font-weight: bold; color: #28a745; }