jellyfin-web/dashboard-ui/syncactivity.html

<div id="syncActivityPage" data-role="page" class="page type-interior syncConfigurationPage syncActivityPage withTabs fullWidthContent" data-helpurl="https://web.archive.org/web/20181216120305/https://github.com/MediaBrowser/Wiki/wiki/Sync">

    <div>
        <div class="content-primary">

            <div style="text-align:right;">
                <button is="emby-button" type="button" class="raised btnSync subdued">
                    <span>${ButtonConvertMedia}</span>
                </button>
                <progress max="100" min="0" style="width:100px;display:none;" class="syncProgress"></progress>
            </div>
            <br />
            <div class="syncActivity">

            </div>
        </div>
    </div>
</div>