Update app.py

app.py

@@ -6,6 +6,31 @@ st.sidebar.title("SBS V2.0 mapper")
 st.sidebar.subheader("(work in progress)")
 st.sidebar.text("Demo by JA-RAD")
 
+st.markdown(
+    """
+    <style>
+        div[data-testid="stToolbar"] {
+            position: fixed;
+            top: 0px;
+            width: 100%;
+            z-index: 9999; /* Ensure it stays on top of other elements */
+            background-color: rgba(255, 255, 255, 0.95); /* Optional: Add a background color and transparency */
+            padding: 10px 0; /* Optional: Add some padding */
+            box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1); /* Optional: Add a subtle shadow */
+        }
+    </style>
+    """,
+    unsafe_allow_html=True,
+)
+
+st.title("My Sticky Header App")
+
+st.write("Scroll down to see the header remain at the top!")
+for i in range(50):
+    st.write(f"Some content here: {i}")
+
+
+
 # --- PAGE SETUP ---
 type_text_page = st.Page(
     page="pages/type_text.py",