You can change the font size of Header Menu easily in Bellini. Follow these steps to change the Header Menu Font Size:
- Go to Appearance -> Customize -> Colors & Typography -> Typography – Font & Size
- Scroll down to “Font Size” section
- Now write your desired font size in “Menu – Font Size” field
- If you want to set it to 16px, just write 16
- Click on “Save & Publish” to save the changes.