ACCENT BUTTONS. Buttons that are directly related to the WooCommerce purchase functionality. For example:
Sign up (https://prnt.sc/1msxyp0)
Post comment (https://prnt.sc/1mszh16)
Accept (Cookies) (https://prnt.sc/1mt08xk)
Add to cart (https://prnt.sc/1mstug0)
Proceed to checkout (https://prnt.sc/1msv4gk)
Return to shop (https://prnt.sc/1mswl7f)
DEFAULT BUTTONS. All others, such as WooCommerce, supported plugins, and theme options buttons that are not included in the above category, and those buttons that do not have their own button settings. For example:
Filter (https://prnt.sc/1mt34qf)
View cart (https://prnt.sc/1mt3r1j)
Login (https://prnt.sc/1mt418f)
Update (https://prnt.sc/1mt4lsk)
All theme settings button options are related to the buttons that didn’t have own style and color settings and not related to the page builder “Button” element that have own style, color, size, shape, icon and hover options (Button element demo page https://woodmart.xtemos.com/buttons/).
As for the header menu, you can change the color scheme for the row – https://take.ms/UDip4 , or you can try to create a rule in Typography -> Advanced -> Main navigation links – https://take.ms/5uGCJ
Kind Regards