         height: 100%;
                width: 100%;
            }
        </style>
    </head>

    <body>
        <div id="room-selection-container" class="centered">
            <h1>WebRTC video conference</h1>
            <label>Enter the number of the room you want to connect</label>
            <input id="room-input" type="text" />
            <button id="connect-button">CONNECT</button>
        </div>

        <div
            id="video-chat-container"
            class="video-position"
            st