Update app.py

app.py

@@ -11,12 +11,12 @@ st.markdown('---')
 
 
 selected = option_menu(None, ["Home", "Classifier","Contact"], 
-    icons=['house', 'gear-fill', 'envelope-at-fill'], 
+    icons=['house', 'smiley', 'envelope-at-fill'], 
     menu_icon="cast", default_index=0, orientation="vertical",
     styles={
-        "icon": {"color": "yellow", "font-size": "20px"}, 
+        "icon": {"color": "red", "font-size": "20px"}, 
         "nav-link": {"font-size": "20px", "text-align": "left", "margin":"1px", "--hover-color": "#eee"},
-        "nav-link-selected": {"background-color": "grey"},
+        "nav-link-selected": {"background-color": "blue"},
     }
 )