Viewport sized typography with minimum and maximum sizes

Viewport units for typography are quite a cool toy to have in your responsive web design toolbox, as they allow you to size fonts relatively to the dimensions of the viewport. If you’ve never used them before, Chris Coyier’s article is probably a good place to start.

Source: https://eduardoboucas.com/blog/2015/06/18/viewport-sized-typography-with-minimum-and-maximum-sizes.html