pe="checkbox" id="autoplay" data-bind="checked: autoplay" />Autoplay
    </label>

    <!-- ko if: sourceUrl -->
    <div class="dropzone">
        <label for="source" class="form-label">
            Poster
            <button class="btn btn-info" role="tooltip" aria-label="Error" aria-haspopup="true" aria-hidden="true"
                data-bind="tooltip: 'Source of the picture. To change, click on preview area below and select a picture from media libaray.'"></button>
        </label>
        <a href="#" i