Update app.py

app.py

@@ -154,4 +154,4 @@ with gr.Blocks() as demo:
     submit_btn.click(respond, [msg, chatbot], [msg, chatbot])
     copy_btn.click(None, None, None, js=copy_js)
 
-    demo.launch()
+    demo.launch(share=True, css=custom_css, theme=gr.themes.Soft())