Examples of websites using
Karla
(Karla is a sans-serif font designed by Jonny Pinhorn. It offers multiple styles, including regular and bold weights with matching italics)
with
Cambria
(Cambria is a serif font designed by Jelle Bosma, Robin Nicholas, Steve Matteson, and released by Microsoft Corporation in 2004. It is available in regular, italic, bold, and bold italic styles)