Update app.py

app.py

@@ -17,7 +17,8 @@ def generate_response(model_name, message, chat_history):
 with gr.Blocks(
     css=".contain { display: flex !important; flex-direction: column !important; }"
     "#chatbot { flex-grow: 1 !important; overflow: auto !important;}"
-    "#col { height: calc(100vh - 112px - 16px) !important; }",
+    "#col { height: calc(100vh - 112px - 16px) !important; }"
+    "#submit { color: green; }",
     theme=gr.themes.Soft(font=[gr.themes.GoogleFont("Martel Sans")])                   
 ) as demo:
     gr.Markdown("# GPT4All Chatbot")
@@ -41,7 +42,7 @@ with gr.Blocks(
             with gr.Row():       
                 message = gr.Textbox(label="Message", scale=10)
                 message.submit(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
-                submit_button = gr.Button("Submit", scale=1)
+                submit_button = gr.Button("Submit", scale=1, elem_id="submit")
                 submit_button.click(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
 
             clear = gr.ClearButton([message, chatbot])