body ._body {
            height: 100vh;
            font-family: Arial, sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            
        }
        body ._body .card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 300px;
            padding: 30px;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
            animation: fade-in 0.5s ease-in-out;
        }
        body ._body .card #qrcode {
            margin-bottom: 20px;
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
        }
        body ._body .card #message {
            font-size: 18px;
            color: #555;
            text-align: center;
        }
        body ._body .card #qrcode img
        {
            width: 200px;
        }
        body ._body .card h2 {
            background-color: white;
            margin-top: 0;
            font-size: 24px;
            color: #333;
        }
      body ._body .card .reset-button {
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            padding: 10px 20px;
            cursor: pointer;
            font-size: 16px;
        }
        body ._body .card .reset-button:hover {
            background-color: #45a049;
        }
        @keyframes fade-in {
            0% {
                opacity: 0;
                transform: translateY(-20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }