Update app.py

gr.Button(value="Toggle Dark").style(full_width=True) -> gr.Button(value="Toggle Dark", scale=1)

app.py

@@ -20,7 +20,7 @@ with gr.Blocks(theme='ParityError/Anime') as demo:
         with gr.Column(scale=3):
             with gr.Group():
                 dropdown.render()
-                toggle_dark = gr.Button(value="Toggle Dark").style(full_width=True)
+                toggle_dark = gr.Button(value="Toggle Dark", scale=1)
 
     dropdown.change(None, dropdown, None, _js=js)
     toggle_dark.click(