Botón stop variant

app.py

@@ -92,7 +92,7 @@ def perform(input1, input2):
 # gr.State.capsule = capsule
 # gr.State.tokens = 20
 lbl_msg = gr.Label("AI Engine ready...")
-btn_buy = gr.Button("Buy More", visible=True, size='lg', variant='secondary')
+btn_buy = gr.Button("Buy More", visible=True, size='lg', variant='stop')
 result_image = gr.Image()
 textbox = gr.Textbox("Nuevo textbox", interactive=False)
 texto_del_markdown = """
@@ -117,7 +117,7 @@ def cambio():
 # — gr.themes.Monochrome()
 # — gr.themes.Soft()
 
-with gr.Blocks(css="footer {visibility: hidden}", theme=gr.themes.Monochrome()) as main:   
+with gr.Blocks(css="footer {visibility: hidden}", theme=gr.themes.Base()) as main:   
 
     with gr.Row():