label styling

app.py

@@ -96,7 +96,7 @@ if st.session_state.results:
             start_idx = context.find(answer)
             end_idx = start_idx + len(answer)
             st.write(
-                markdown(context[:start_idx] + str(annotation(answer, "ANSWER", "#964448")) + context[end_idx:]),
+                markdown(context[:start_idx] + str(annotation(body=answer, label="ANSWER", background="#964448", color='#ffffff')) + context[end_idx:]),
                 unsafe_allow_html=True,
             )
             st.markdown(f"**Relevance:** {result['relevance']}")