Update app.py

app.py

@@ -74,19 +74,11 @@ def respond(message, history):
         response+= token 
         yield response
 
-custom_css = """
-.gradio-container {
-    background-color: #d6d1e5; /* light purple */
-}
-.message.bot {
-    background-color: #ffc6cc; /* pink */
-    color: #1e3a8a; 
-}
-.message.user {
-    background-color: #ffb3da; /* pink */
-    color: #831843;
-}
-"""
+theme = gr.themes.Soft(
+    primary_hue="rose",
+    secondary_hue="zinc",
+    neutral_hue="pink",
+)
 
 with gr.Blocks(css=custom_css) as demo:
     chatbot = gr.ChatInterface(