It’s 2 columns but you do it by adding 3

Col 1 – 50%

Site Title: Source Serif 28px, Regular Italic
Tagline: 16px, Regular Italic
Line Height 1.7

Col 2 – 15% – Blank

HOME: Jost 16, Medium

Col 3 – 15%

Spacer: 40px

Col 3 – 15% – Link

HOME: Jost 16, Medium

Col 3 – 15%