There are several navbar color types to choose. You can setup navbar type and scroll effect globally via Appearance > Customize > Main Navbar
Notice, that sometimes you can check changes in Customizer preview only after clicking on a Save & Publish button.
Those settings will be automatically applied for every page, although you can change options for each page with Template Settings:
Here you can also define:
- if title bar should be displayed,
- bar color,
- bar size,
- if title should be displayed,
- if breadcrumbs should be displayed