Update app.py

app.py

@@ -291,7 +291,8 @@ with gr.Blocks(css=css) as demo:
         with gr.Row():
             inputs = gr.Textbox(type="text", label="Your feedback")
             feedback_markdown = gr.Markdown(label="Output")
-            feedback_btn = gr.Button(value="Submit")
+        with gr.Row():
+            feedback_btn = gr.Button(value="Submit", elem_classes="upvote-button")
         # O14813 train index 127, 266, 738, 1060 test index 4
         gr.Examples(
             examples=[
@@ -316,6 +317,3 @@ with gr.Blocks(css=css) as demo:
 
 demo.launch(debug=True)
 
-
-demo.launch(debug=True)
-