Update app.py

app.py

@@ -879,8 +879,9 @@ if user_id_from_url and not st.session_state.get("user_id"):
 # current index
 if 'current_index' not in st.session_state:
     start_index = get_start_index()
+    
     if start_index < len(st.session_state.data)-1:
-        st.session_state.current_index = start_index
+        st.session_state.current_index = start_index-1
     else:
         st.session_state.current_index = start_index+1
     st.session_state.form_displayed = -2
@@ -962,7 +963,7 @@ elif st.session_state.current_index < len(st.session_state.data):
                     st.session_state.step += 1
                     st.rerun()
     with c2:
-        if st.button(":grey[Previous]"):
+        if st.button(":gray[Previous]"):
             if step > 0:
                 st.session_state.step -= 1
                 st.rerun()