Change Tab Menu and sidebar in Emporio blogger theme

Some know how to change Tab Menu and sidebar in Emporio blogger theme? thanks a lot for sharing knowledge. This is my site: https://knuafasilitador.blogspot.com/

Changing Tab Menu as how?

Do kindly expantiate when posting questions

Thank you brother, but I was changed my theme to Contempo..

I cant find script source how to change my Tab menu and sidebar default in Emprio theme like soho theme and contempo. or like this https://blogtes40.blogspot.com/2017/02/lamborghini-miura-p400s-best-classic.html