Update app.py

app.py

@@ -1,8 +1,13 @@
 import streamlit as st
 from pytube import YouTube
 
-with open('style.css') as f:
-    st.markdown(f'<style>{f.read()}</style>',unsafe_allow_html=True)
+# Use local CSS
+def local_css(file_name):
+    with open(file_name) as f:
+        st.markdown(f"<style>{f.read()}</style>", unsafe_allow_html=True)
+
+
+local_css("style.css")
 
 class YouTubeDownloader:
     @staticmethod