s video {
        width: 320px;
      }
    </style>

    <title>Pion ion-sfu | Pubsubtest</title>
  </head>

  <body>
    <nav class="navbar navbar-light bg-light border-bottom">
      <h3>Pion</h3>
    </nav>
    <div class="container pt-4">
      <div class="row" id="start-btns">
        <div class="col-12">
          <button type="button" class="btn btn-primary" onclick="start(false)">
            Publish
          </button>
        </div>
      </div>

      <div class="row">
        <div class="col-6 