    <style>
        body {
            font-family: Arial, sans-serif;
            background: #f5f7fa;
            margin: 0;
            height: 100vh;

            display: flex;
            align-items: center;
            justify-content: center;
        }

        .container {
            text-align: center;
            background: white;
            padding: 50px 70px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        h1 {
            font-size: 24px;
            color: #555;
            margin-bottom: 20px;
        }

        .ip {
            font-size: 42px;
            font-weight: bold;
            margin-bottom: 25px;
            color: #111;
        }

        button {
            padding: 10px 18px;
            font-size: 15px;
            cursor: pointer;
        }
    </style>

