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H1 – Mark Pro Heavy 40px – 1em – 5px bottom
 H3 – Mark Pro Regular 37px -1.1em – 5px bottom. Headings are designed to work well in pairs when using two odd or two even ones. H1 pairs well with H3. H2 pairs well with H4.
H2 – Heavy 35px – 1em
Margin 5px bottom
H4 – Regular 32px – 1.1em
Margin 5px bottom
Body text 20px – 1.1em. For text bodies, the rule should be to have between 9 and 12 words per line since this ensures good readability. If a paragraph is significantly longer, columns can be introduced, for example, to break the lines.