ight="60px" display="block" margin-bottom="0.5rem"></canvas>
      </div>
    </div>
    <div class="row">
       <div class="col">
        <button class="btn btn-primary btn-block" id="offline_record">Offline-Record</button>
       </div>
       <div class="col">
        <button class="btn btn-primary btn-block" id="offline_stop">Offline-Stop</button>
       </div>
    </div>
  </div>

  <div class="mb-3">
    <label for="results" class="form-label">Recognition results</label>
    <textarea class="form-con