Update app.py

app.py

@@ -80,8 +80,7 @@ def respond(
 chatbot=gr.Chatbot(height=450, placeholder=PLACEHOLDER, label='Gradio ChatInterface')
 
 # Define the interface layout
-with gr.Div(style="min-height: 100vh;") as outer_div:
-    with gr.Blocks(fill_height=True, css=css) as demo:
+    with gr.Div(fill_height=True, css=css) as demo:
         # Add description markdown
         gr.Markdown(DESCRIPTION)
         # Add duplicate button