Try and increase min width.

app.py

@@ -74,6 +74,7 @@ def init_leaderboard(dataframe: pd.DataFrame):
         #     ColumnFilter(AutoEvalColumn.system_type.name, type="checkboxgroup", label="Model types"),
         # ],
         column_widths=["90%", "90%"],
+        min_width="100%",
         bool_checkboxgroup_label="Hide models",
         interactive=False,
     )