zcash-grant-system/frontend/client/styles/fonts.less

@font-face {
  font-family: 'Open Sans';
  font-weight: 400;
  src: url('../static/fonts/OpenSans-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Open Sans';
  font-weight: 600;
  src: url('../static/fonts/OpenSans-SemiBold.ttf') format('truetype');
}

@font-face {
  font-family: 'Open Sans';
  font-weight: 700;
  src: url('../static/fonts/OpenSans-Bold.ttf') format('truetype');
}

@font-face {
  font-family: 'Open Sans';
  font-weight: 300;
  src: url('../static/fonts/OpenSans-Light.ttf') format('truetype');
}