Update app.py

app.py

@@ -77,8 +77,8 @@ if st.session_state.prev_option != selected_model:
 #Pull in the model we want to use
 repo_id = model_links[selected_model]
 
-st.title(f'Liahona.AI')
-st.subheader(f'powered by {selected_model}')
+st.header(f'Liahona.AI')
+st.text(f'_powered_ by :violet[{selected_model}]')
 # st.title(f'ChatBot Using {selected_model}')
 
 # Set a default model