pages/3_numeracy.py

import streamlit as st
def add_logo():
    st.markdown(
        """
        <style>
            [data-testid="stSidebarNav"] {
                background-image: url(http://placekitten.com/200/200);
                background-repeat: no-repeat;
                #padding-top: 120px;
                background-position: 20px 20px;
            }
            [data-testid="stSidebarNav"]::before {
                content: "MO3ALIMI sidebar";
                margin-left: 20px;
                margin-top: 20px;
                font-size: 29px;
                position: relative;
                top: 0px;
            }
        </style>
        """,
        unsafe_allow_html=True,
    )
add_logo()