Update app.py

app.py

@@ -131,8 +131,10 @@ def display_image():
     return "https://huggingface.co/spaces/Sustainable-Meal-Assistant/TreeBot/resolve/main/sustainable-food-principles%C2%A9iStock-552584505.jpg"
 
 theme = gr.themes.Base().set(
-background_fill_primary=‘##C1D0B5’,  # Light green background
-    background_fill_primary_dark=‘##3C8181’,  #  Dark green background
+    background_fill_primary=‘##C1D0B5’,  # Light green background
+    background_fill_primary_dark=‘#00796B’,  # Dark teal background
+    background_fill_secondary=‘#FFCCBC’,  # Light orange background
+    background_fill_secondary_dark=‘#D84315’,  # Dark orange background
     border_color_accent=‘#FFAB40’,  # Accent border color
     border_color_accent_dark=‘#FF6D00’,  # Dark accent border color
     border_color_accent_subdued=‘#FF8A65’,  # Subdued accent border color
@@ -140,6 +142,7 @@ background_fill_primary=‘##C1D0B5’,  # Light green background
     block_border_color=‘#FF5722’,  # Block border color
     button_primary_background_fill=‘#FF9800’,  # Primary button background color
     button_primary_background_fill_dark=‘#EF6C00’  # Dark primary button background color
+
 )