jellyfin-web/dashboard-ui/appservices.html

<div id="appServicesPage" data-role="page" class="page type-interior appServicesPage withTabs fullWidthContent" data-require="scripts/appservices">

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

            <div class="verticalSection">

                <div class="sectionTitleContainer sectionTitleContainer-cards flex align-items-center">
                    <h2 class="sectionTitle sectionTitle-cards">${HeaderInstalledServices}</h2>
                    <a is="emby-linkbutton" class="raised button-alt headerHelpButton" target="_blank" href="https://web.archive.org/web/20181216120305/https://github.com/MediaBrowser/Wiki/wiki/Plugins">${Help}</a>
                </div>

                <div class="installedPlugins"></div>
            </div>
            <div class="verticalSection">
                <h2 class="sectionTitle sectionTitle-cards">${HeaderAvailableServices}</h2>
                <div class="catalog"></div>
            </div>
        </div>
    </div>
</div>