Update app.py

app.py

@@ -6,10 +6,12 @@ st.sidebar.title("SBS V2.0 mapper")
 st.sidebar.subheader("(work in progress)")
 st.sidebar.text("Demo by JA-RAD")
 
+import streamlit as st
+
 st.markdown(
     """
     <style>
-        div[data-testid="stAppViewContainer"] > div:first-child > div[data-testid="stHeadingWithActionElements"] {
+        div[data-testid="stAppViewContainer"] > div:first-child > div.stMarkdown {
             position: fixed;
             top: 0;
             left: 0;
@@ -28,7 +30,7 @@ st.title("SBS Mapper") # Keep your title here
 
 # Your Streamlit app content below this line
 st.markdown("## Welcome to the SBS Mapper App!")
-st.write("Trying again to make the header sticky on Hugging Face...")
+st.write("Let's see if targeting the stMarkdown container works...")
 for i in range(50):
     st.write(f"More content: {i}")