Under Appearance → Customize you can make global changes to the theme like colors and typography.

• Logo / Site Identity
• Topbar
• Header
  • Settings
  • Buttons
• Navigation
• Page Header
• Breadcrumbs
• Layout & Colors
• Blog
• Shop
• Typography
  • Body
  • Navigation
  • Headings
• Post Types
  • Projects
  • Staff
  • Archives
• Footer
• 404 Page
• Other