Update app.py

app.py

@@ -78,19 +78,8 @@ def respond(message, history):
 
 
 
-theme = gr.themes.Origin(primary_hue="orange",secondary_hue="indigo", neutral_hue="teal").set(
-    background_fill_primary='*teal_200',
-    background_fill_primary_dark='*teal_200',
-    background_fill_secondary='*teal_300',
-    background_fill_secondary_dark='*teal_300',
-    border_color_accent='*teal_200',
-    border_color_accent_dark='*teal_600',
-    border_color_accent_subdued='*teal_200',
-    border_color_primary='*teal_300',
-    block_border_color='*teal_200',
-    button_primary_background_fill='*teal_300',
-    button_primary_background_fill_dark='*teal_300'
-)
+theme = gr.themes.Monochrome(primary_hue="teal",secondary_hue="orange")
+
 welcome_message = """
 # Welcome to ScoobyAI
 ## We understand that it is difficult to take care of pets, especially after a long day of school or work. That's why we created Scooby, your chatbot assistant for all pet health needs!