Update app.py

app.py

@@ -220,8 +220,8 @@ def update_styles(theme, font_size):
         purple="#56246B"
         light_purple="#795699"
         settings_heading_color = "#333333"
-        user_msg_bg_color="#cccccc"
-        bot_msg_bg_color="#e0e0e0"
+        user_msg_bg_color="#e0e0e0"
+        bot_msg_bg_color="#cccccc"
         msg_text_color="#000000"
     
     if font_size == "Small":