Examples of websites using
Messina Sans Mono
(Messina Sans Mono is a monospaced sans-serif font designed by Jim Ford and published through Ascender Corporation. The font family includes multiple styles and weights, offering a versatile selection for various design needs)
with
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)