Update app.py

app.py

@@ -24,7 +24,7 @@ st.markdown(
 )
 
 
-background_image_url = "https://png.pngtree.com/background/20221225/original/pngtree-blue-musical-notes-background-picture-image_1986629.jpg"
+background_image_url = "https://static.vecteezy.com/system/resources/previews/020/333/164/non_2x/stephen-foster-memorial-day-illustration-with-copy-space-area-and-blue-background-suitable-to-use-on-memorial-day-event-vector.jpg"
 st.markdown(
     f"""
     <style>