<div class="extra-network-pane-content-tree resize-handle-row"> <div id='{tabname}_{extra_networks_tabname}_tree' class='extra-network-tree' style='flex-basis: {extra_networks_tree_view_default_width}px'> {tree_html} </div> <div id='{tabname}_{extra_networks_tabname}_cards' class='extra-network-cards' style='flex-grow: 1;'> {items_html} </div> </div>