Examples of websites using
Open Sans
(Open Sans is a sans-serif font designed by Steve Matteson. It offers a wide range of styles, including regular, italic, bold, bold italic, and light)
with
Domaine Display
(Domaine Display is a serif font designed by Kris Sowersby and released by Klim Type Foundry. The font offers a range of styles, including regular and italic, in multiple weights)