Examples of websites using
Montserrat
(Montserrat is a sans-serif font designed by Julieta Ulanovsky, Sol Matas, Juan Pablo del Peral, and Jacques Le Bailly. It offers a total of 36 styles, including various weights and matching italics)
with
Source Sans Pro
(Source Sans Pro is a Sans Serif font designed by Paul D. Hunt. The font family includes six styles, each with regular, italic, bold, and bold italic variations, providing a versatile range of options for designers)