Lead Developer
Hi there,
If you have our add-ons you can add a header background using the Backgrounds add-on in “Customize > Background Images”.
Then you can add your logo in “Customize > Site Identity”.
Let me know if you need more info 🙂
Documentation: http://docs.generatepress.com/
Adding CSS: http://docs.generatepress.com/article/adding-css/
Ongoing Development: https://generatepress.com/ongoing-development