jellyfin-web/dashboard-ui/appservices.html

<div id="appServicesPage" data-role="page" class="page type-interior appServicesPage" data-helpurl="https://github.com/MediaBrowser/Wiki/wiki/Sync" data-require="scripts/appservices">

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

            <div class="sectionTabs syncSectionTabs" style="display:none;">
                <div data-role="controlgroup" data-type="horizontal" class="localnav" data-mini="true">
                    <a href="syncactivity.html" data-role="button">${TabActivity}</a>
                    <a href="#" data-role="button" class="ui-btn-active">${TabServices}</a>
                    <a href="syncsettings.html" data-role="button">${TabSettings}</a>
                </div>
            </div>
            <div class="sectionTabs livetvSectionTabs" style="display:none;">
                <div data-role="controlgroup" data-type="horizontal" class="localnav" data-mini="true">

                    <a href="livetvstatus.html" data-role="button">${TabTuners}</a>
                    <a href="livetvsettings.html" data-role="button">${TabSettings}</a>
                    <a href="#" data-role="button" class="ui-btn-active">${TabExternalServices}</a>
                </div>
            </div>

            <div class="sectionTabs notificationsSectionTabs" style="display:none;">
                <div data-role="controlgroup" data-type="horizontal" class="localnav" data-mini="true">
                    <a href="notificationsettings.html" data-role="button">${TabNotifications}</a>
                    <a href="#" data-role="button" class="ui-btn-active">${TabServices}</a>
                </div>
            </div>

            <div class="detailSectionHeader">${HeaderInstalledServices}</div>
            <div class="installedPlugins"></div>
            <br />
            <br />
            <br />
            <div class="detailSectionHeader">${HeaderAvailableServices}</div>
            <div class="catalog"></div>
        </div>
    </div>
</div>