Examples of websites using
PolySans
(Poly Sans is a sans-serif font designed by Milos Mitrovic and released by Gradient. The font family includes an unspecified number of styles, offering a range of options for different design projects)
with
Tiempos
(Tiempos is a serif font designed by Kris Sowersby and released by Klim Type Foundry in 2010. The family includes four widths (normal, narrow, condensed, and compressed), each available in eight weights with matching italics)