Update app.py

app.py

@@ -1,34 +1,4 @@
 import streamlit as st 
-#from streamlit_navigation_bar import st_navbar
-
-
-header = st.container()
-header.title("Here is a sticky header")
-header.write("""<div class='fixed-header'/>""", unsafe_allow_html=True)
-
-### Custom CSS for the sticky header
-st.markdown(
-    """
-<style>
-    div[data-testid="stVerticalBlock"] div:has(div.fixed-header) {
-        position: sticky;
-        top: 2.875rem;
-        background-color: white;
-        z-index: 999;
-    }
-    .fixed-header {
-        border-bottom: 1px solid black;
-    }
-</style>
-    """,
-    unsafe_allow_html=True
-)
-
-
-
-
-
-
 
    # --- SHARED ON ALL PAGES ---
 st.logo(image="images/menu_book_60dp_75FBFD.png")
@@ -47,6 +17,4 @@ type_text_page = st.Page(
 
 pg = st.navigation(pages=[type_text_page]) # WITHOUT SECTIONS
 #pg = st.navigation({"Chapter_Index": [start_page], "Demo": [type_text_page, upload_file_page], "About": [about_page]}) # WITH SECTIONS
-pg.run() 
-#page = st_navbar(pages=["SBS V2.0 mapper"], selected="SBS V2.0 mapper", key="app_page_navbar")
-#st.write(page)
+pg.run()