nice update.
selected3 = option_menu(None, ["Home", "Upload", "Tasks", 'Settings'],
icons=['house', 'cloud-upload', "list-task", 'gear'],
menu_icon="cast", default_index=0, orientation="horizontal",
styles={
"container": {"padding": "0!important", "background-color": "#fafafa"},
"icon": {"color": "orange", "font-size": "25px"},
"nav-link": {"font-size": "25px", "text-align": "left", "margin":"0px", "--hover-color": "#eee"},
"nav-link-selected": {"background-color": "green"},
}
)