The font size of various elements around the site can be modified with Challenger Pro.
To change the font size of an element:
- Visit the Customizer (Appearance → Customize)
- Click on the Font Sizes section
- Choose the element you want to adjust
- Use the up/down arrows or type in a new value
- Repeat for each element you want to modify
- Click the Save & Publish button to save your changes
The font sizes have now been updated across your site.