From Header Design & Colors tab you can change colors, font size and hover design.
These are settings from this area:
Header and Sticky Header Height
These options apply for header type 1 and 2.
Top Menu and Menu Item Font Size
Border Bottom Header, Sticky Header Height and color
Top Bar Background Color and Font Color (Header Widget Menu)
Help for header widgets setup: http://help.wpresidence.net/article/widgets-2/#a_wpestate_id
Top Menu & Sticky Menu Background Color
Top menu, sticky menu, hover menu and active menu font color
Top Menu Font Color
Top Menu Hover Font Color
Top Menu Hover Background Color*
*this works for Top Menu Hover Type 3 + Type 4.
Transparent Header – Top Menu Hover Font Color
Sticky Menu Font Color
Menu Item Color
Menu Item Back Color
Menu Item Hover Back Color
Menu Item hover font color
You also control font size:
Top Menu Font Size
Menu Item Font Size
From the same settings you control hover design style (you have 6 different styles to select from)
To control main menu / sticky menu header height – see this help
1.17 General Design Settings: Grid Width, Header Height and many more
To control main menu background color, check custom colors settings from theme options:
To change WP Residence logo with your own logo in header – check Logo and Favicon settings