There are 2 types of settings which are very good for you to setup.
1. Global setup for whole menu style. : you can setup your menu style for whole pages.
2. Page setup : if you want to setup your menu style ONLY this page or a specific page.

1. Global header setup
As regards the style of the header, you may set it up entirely in the theme setting or specific pages.

It’s initially setup as “show header title”. if you want to setup as a transparency header, you need to choose transparency on the pages.
More detail setting instruction

2. Page header setup
It is possible to set it up individually according to each page.

More detail setting instruction