ReactJs Typescript Navbar

I am working on a project with reactjs typescript. I was able to add a popup using the https://www.c-sharpcorner.com/article/how-to-create-a-modal-pop-up-in-reactjs-appliaction/. Now wants to add Navbar to the popup and facing the issue. Need assistance in adding the NavBar to popup. Should assist via chat, as we are in VPN cannot share the screen or give the access control.