Test html rendering error

app.py

@@ -50,7 +50,9 @@ def main() -> None:
         for sentence in summary_sentences:
             sentence = html.escape(sentence)
             replaced_text = replaced_text.replace(sentence,
-                                                  f"<span>{sentence}</span>")
+                                                  f"<div>"
+                                                  f"<span style='background-color: #FFFF00'>{sentence}</span>"
+                                                  f"</div>")
         replaced_text = replaced_text.replace('\n', '<br/>')
         with st.container():
             st.markdown(replaced_text, unsafe_allow_html=True)