A guide to the fonts, sizes and Text settings site wide:
Heading 1
Work Sans Light (Bold = Work Sans Medium)
72px/4remHeading 2
Work Sans Light (Bold = Work Sans Medium)
58px/3.2remHeading 3
Work Sans Light (Bold = Work Sans Medium)
43px/2.4remHeading 4 (Rarely used)
Work Sans Light (Bold = Work Sans Medium)
27px/1.5remParagraph 1
Work Sans Light (Bold = Work Sans Medium)
26px/1.4remParagraph 2
Work Sans Light (Bold = Work Sans Medium)
22px/1.2remParagraph 3
Work Sans Light (Bold = Work Sans Medium)
18px/1rem