Gritt font files
Poppins, SIL Open Font License 1.1. Free to install, embed and redistribute.

DESKTOP (designers, anyone using Figma, Word, Keynote)
  Double-click to install:
    Poppins-Light.ttf       300, body text
    Poppins-Regular.ttf     400, display, headings, captions
    Poppins-Medium.ttf      500, available
    Poppins-SemiBold.ttf    600, available

WEB (engineers)
  <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400&display=swap">

  Or self-host the TTFs above. Always declare the fallback stack; the value is on
  the brand book page.

IF YOU CANNOT INSTALL ANYTHING
  Century Gothic, or Arial.
