Update app.py

app.py

@@ -10,8 +10,11 @@ st.set_page_config(page_title="Multiplicity Interactive Demo")
 if "page" not in st.session_state:
     st.session_state.page = "landing"
 
-if "txt_" in st.session_state.page:
-    txt_pages.render()
-else:
-    page_obj = globals().get(st.session_state.page)
-    page_obj.render()
+page_container = st.empty()
+
+with page_container.container():
+    if "txt_" in st.session_state.page:
+        txt_pages.render()
+    else:
+        page_obj = globals().get(st.session_state.page)
+        page_obj.render()