You can set header settings in theme option panel -> Header. In here, you can set desktop device header layout, background, topbar and logo elements, etc.

Header Layout: Select one header layout in header theme option panel. Some header elements will be not shown according to header layouts.
Header above the content: Set overlapping page content with current header layout.
Mobile Layout Width Set device width value, where mobile layout is enable.
Enable/Disable Top Bar: Show/hide top bar area in current header layout.
Top Bar Background Color: Set top bar background color. Default color is “#fff”.
Top Bar Text Color: Set top bar text color. Default color is “#878787”.
Main Header Background Color: Set the background color of the main header area.
Header Text Color: Set the text color of the main header area.
Navigation Submenu Background Color: Set the submenu background color according to the submenu text color.