Syntax: @include font-scale([level], [family], [weight]);
Example: @include font-scale(level-3, $font-secondary, light);
CSS SCSS Values Line-height Example
u-secondary-typo-level-3 @include font-scale(level-3, $font-secondary) min:16px - max:20px 150%

Aa

u-secondary-typo-level-2 @include font-scale(level-2, $font-secondary) min:14px - max:16px 150%

Aa

u-secondary-typo-level-1 @include font-scale(level-1, $font-secondary) min:12px - max:14px 150%

Aa

u-secondary-typo-level-0 @include font-scale(level-0, $font-secondary) min:10px - max:10px 150%

Aa