Font Sizes
Heading 1 - 48px
Heading 2 - 28px
Heading 3 - 24px
Heading 4 - 16px
Normal - 16px
Hero - 24px
Jumbo - 32px
Disclaimer - 12px
Heading 1 + Hero - 64px
Heading 1 + Jumbo- 96px
Font Sizes can also be applied in Code View if you don't want to target the whole website:
https://www.w3schools.com/css/css_font_size.asp
To learn more about the different kind of unit sizes:
https://www.w3schools.com/cssref/css_units.php