Update app.py

app.py

@@ -20,11 +20,17 @@ def chatbot_response(message):
     response = query_engine.query(message)
     return str(response)
 
+# Create a custom theme with a blue background
+custom_theme = gr.themes.Default(primary_hue=colors.blue).set(
+    body_background_fill="#fafaff"  # Light blue
+)
+
 iface = gr.Interface(fn=chatbot_response,
                      inputs="text",
                      outputs="text",
                      title="My Personal Chatbot",
                      description="Ask questions and receive answers based on my personal documents.",
+                     theme=custom_theme,
                      examples=[["Provide a summary of Donald?"],
                        ["Has Donald worked with Python?"],
                        ["Tell me something interesting about Donald"]]