style theme

app.py

@@ -610,7 +610,7 @@ with demo:
                         multiselect=True,
                         value=[],
                         interactive=True,
-                        scale=0
+                        scale=1
                     )
                     column_selector = gr.Dropdown(
                         choices=get_all_column_choices(),
@@ -618,7 +618,7 @@ with demo:
                         multiselect=True,
                         value=get_initial_columns(),
                         interactive=True,
-                        scale=0
+                        scale=1
                     )
                 with gr.Row():
                     refresh_button = gr.Button("Refresh Leaderboard", scale=0)