BCS Style Guide
H1, Main page headings: Helvetica, 55px, 300 (light)
H2, Section headings: Helvetica, 40px, 300 (light)
H3, Small headings : Helvetica, 25px, 500 (medium)
Primary, section heading text blocks: Arial, 22px, 400 (normal)
Text, regular text blocks: Arial, 18px, 300 (light)
Secondary, small text blocks: Arial, 16px, 400 (normal)