A sticky menu is a type of navigation menu that remains visible on the top of the page even when the user scrolls down the page. It helps users access the menu from any location on the page without having to scroll to the top of the page. Spacious theme allows you to enable the sticky menu on your end. (Available with Spacious Pro)
In order to enable the sticky menu, Put a checkmark on Check to enable the sticky behavior of the primary menu. This will enable the sticky menu on your end.