Upload the child theme as a new theme (Divi has to be activated before). After the child theme is uploaded, activate it. In the menu, you will Brewery Hotel Child Theme options. Once you clicked there, import demo content.
You want to amend something?:
How to change color and thickness of header bottom border?
I don't want my contact form button to be fullwidth
I want to change border color of images in homepage blurbs
I want to change the size of logo
I want my mobile menu to be default
I want to change my CTA button in menu
There is a different styling for mobile CTA Menu. To change this, search for Menu CTA Button Mobile Settings in Theme Options – Custom CSS box.