Site layout and Site loader

To set the site layout and loader, navigate to:

Dashboard >> Appearance >> Customize >> General

Now here You will find the corresponding options:
1. Site layout
2. Site loader

Site layout –  Allows you to select site layout full-width or Boxed-layout.
Max Content Layout Width –  Allows you to set site content/container width.

Site Loader : – You have an option to enable or disable the site loader, it will allow you to show loader before loading the content.
Site background color : – You can set Loader Background color according to your choice.