jellyfin-web/dashboard-ui/itemlist.html

<div id="itemListPage" data-role="page" class="page libraryPage folderListPage noSecondaryNavPage">
    <div class="alphaPicker vertical alphabetPicker">
    </div>
    <div data-role="content" class="itemListContent">

        <div class="viewSettings">
            <div class="listTopPaging">
            </div>
        </div>
        <div id="items" class="itemsContainer paddedItemsContainer itemsContainerWithAlphaPicker" style="text-align:center;"></div>
    </div>
</div>