Branding
Appearance → Customize→ Google Fonts → Advanced Settings → Branding
The branding section consists of two controls:
Site Title Typography
The following CSS selectors are targeted: #site-title, .site-title, #site-title a, .site-title a, #logo, #logo a, .logo, .logo a
Site Description Typography
The following CSS selectors are targeted: #site-description, .site-description
