body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            height: 100vh;
            background-color: #f4f4f4;
        }
        .container {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }
        input, button {
            margin: 10px;
            padding: 10px;
            font-size: 16px;
        }