app.py

import streamlit as st
import pandas as pd
 
st.set_page_config(
    page_title="app",
    page_icon="👋",
)

st.write("# Welcome to DataAI! 👋")

st.sidebar.success("Select a demo above.")

st.markdown("<h1 style='text-align: center; color: black;'>This is the demo for the usecases we've worked on.</h1>", unsafe_allow_html=True)

st.markdown("<h2 style='text-align: center; color: black;'>Select a demo from the sidebar** to see some examples
    of what we can do!!! </h2>", unsafe_allow_html=True)
import base64

main_bg_ext = "jpg"
main_bg = "vally.jpg"
        
st.markdown(
 f"""
 <style>
 .stApp {{
     background: url(data:image/{main_bg_ext};base64,{base64.b64encode(open(main_bg, "rb").read()).decode()});
     background-size: cover
 }}
 </style>
 """,
 unsafe_allow_html=True
)