diff --git a/src/back/routes/common/show-first-row/show-first-row.tsx b/src/back/routes/common/show-first-row/show-first-row.tsx
index 616d486..688ae18 100644
--- a/src/back/routes/common/show-first-row/show-first-row.tsx
+++ b/src/back/routes/common/show-first-row/show-first-row.tsx
@@ -28,6 +28,7 @@ export async function showFirstRow({
 			{show_less_button}
 		</>
 	),
+	classes = [],
 }: {
 	items: FlatTemplatable[];
 	min_column_width_px?: number;
@@ -39,6 +40,7 @@ export async function showFirstRow({
 		show_more_button: JSX.Element,
 		show_less_button: JSX.Element
 	) => JSX.Element;
+	classes?: string[];
 }): Promise<string> {
 	const id = showFirstRowIds.next().value;
 	const checkbox_id = "show-first-row__checkbox--" + id;
@@ -48,6 +50,7 @@ export async function showFirstRow({
 				"show-first-row",
 				`show-first-row--id-${id}`,
 				`show-first-row--items-count-${items.length}`,
+				...classes,
 			]}
 			style={`--min-column-width: ${min_column_width_px}px; --items-count: ${items.length}; --column-gap: ${column_gap_px}px`}
 		>