Update app.py

app.py

@@ -122,7 +122,7 @@ body, .gradio-container {
 .gr-chatbot .message { font-family: 'Orbitron', sans-serif !important; }
 """
 
-with gr.Blocks(theme="dark", head=kofi_script, css=custom_css) as demo:
+with gr.Blocks(theme="Nymbo/Nymbo_Theme", head=kofi_script, css=custom_css) as demo:
     gr.ChatInterface(
         fn=respond,               # The function to call when a message is sent
         chatbot=gr.Chatbot(       # Configure the chatbot display area