Update app.py

app.py

@@ -161,7 +161,7 @@ chat_interface = gr.ChatInterface(
     type="messages",
 )
 
-with gr.Blocks(css="style.css", fill_height=True) as demo:
+with gr.Blocks(css="style.css", fill_height=True, theme=gr.themes.Soft()) as demo:
     gr.Markdown(DESCRIPTION)
     gr.DuplicateButton(value="Space by Rishiraj Acharya. Duplicate it?", elem_id="duplicate-button")
     chat_interface.render()