Update app.py

Colour in header is not working; That's why made it simple black

app.py

@@ -39,10 +39,10 @@ else:
 
 
 if st.button('Submit Text!'):
-    st.header(':blue[Input]')
+    st.header('Input')
     st.write(f" {input_phrase}")
     st.text("--"*30)
-    st.header(':blue[Output]')
+    st.header('Output')
     output_phrases = parrot.augment(input_phrase=input_phrase,do_diverse=oc)
     if output_phrases is not None:
         for phrases in output_phrases: