body { font-family: Arial, sans-serif; background-color: #f0f0f0; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; } .container { background-color: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); text-align: center; } h1 { color: #ff0000; } p { color: #333; }