body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            background-color: #f0f0f0;
            margin: 0;
        }
        .container {
            text-align: center;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            width: 80%;
            max-width: 600px;
        }
        input, button {
            margin-top: 10px;
            padding: 10px;
            font-size: 16px;
        }
        button {
            cursor: pointer;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 4px;
            padding: 10px 20px;
        }
        button:hover {
            background-color: #0056b3;
        }