pages/Option_Menu.py

# Copied from https://github.com/victoryhb/streamlit-option-menu

import streamlit as st
from streamlit_option_menu import option_menu

# 1. as sidebar menu
with st.sidebar:
    selected = option_menu("Main Menu", ["Home", 'Settings'],
        icons=['house', 'gear'], menu_icon="cast", default_index=1)
    selected

# 2. horizontal menu
selected2 = option_menu(None, ["Home", "Upload", "Tasks", 'Settings'],
    icons=['house', 'cloud-upload', "list-task", 'gear'],
    menu_icon="cast", default_index=0, orientation="horizontal")
selected2

# 3. CSS style definitions
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"},
    }
)