Update app.py

app.py

@@ -114,7 +114,7 @@ with gr.Blocks() as app:
         latest_alert_box = gr.Textbox(label="Latest Alert", lines=3, interactive=False)
         alert_count_box = gr.Textbox(label="Alert Count", interactive=False)
     
-    refresh_button = gr.Button("Refresh")
+    refresh_button = gr.Button("Refresh", variant="primary")
     
     refresh_button.click(get_latest_alert, inputs=None, outputs=[latest_alert_box, alert_count_box])