Update app.py

app.py

@@ -11,12 +11,13 @@ st.markdown('---')
 
 
 selected = option_menu(None, ["Home", "Classifier","Contact"], 
-    icons=['house', 'smiley', 'envelope-at-fill'], 
-    menu_icon="cast", default_index=0, orientation="vertical",
+    icons=['house', 'cloud-upload', 'envelope-at-fill'], 
+    menu_icon="cast", default_index=0, orientation="horizontal",
     styles={
-        "icon": {"color": "red", "font-size": "20px"}, 
+        "container": {"padding": "0!important", "background-color": "#fafafa"},
+        "icon": {"color": "orange", "font-size": "20px"}, 
         "nav-link": {"font-size": "20px", "text-align": "left", "margin":"1px", "--hover-color": "#eee"},
-        "nav-link-selected": {"background-color": "blue"},
+        "nav-link-selected": {"background-color": "green"},
     }
 )