    #passwordInput {
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-bottom: 20px;
        }

        #qrcode {
            max-width: 200px;
        }

        footer {
            margin-top: 50px;
            line-height: 0.5;
        }

        a {
            color: #1e88e5;
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        .warning {
  