Update app.py

app.py

@@ -71,7 +71,7 @@ def chat(
     return history, history
 
 
-block = gr.Blocks(css="#chatbot .overflow-y-auto{height:700px}")
+block = gr.Blocks(css="#chatbot .overflow-y-auto{height:1700px}")
 
 with block:
     with gr.Row():
@@ -85,7 +85,7 @@ with block:
         )
 
     with gr.Column(scale=7):
-        chatbot = gr.Chatbot(elem_id="chatbot")
+        chatbot = gr.Chatbot(elem_id="chatbot").style(color_map=["blue","grey"])
 
     with gr.Row():
         message = gr.Textbox(