How to change the type font of Image with text Section in Dawn theme

Store Design
1

I want to change the type font of text to Source Sans Pro

Here’s my page : https://4a7eca-7.myshopify.com/?_ab=0&_fd=0&_sc=1

Screenshot 2024-02-10 114956.png
Screenshot 2024-02-10 114956.png738×703 25.2 KB

Thanks for your helps!

2

Should it be valid everywhere on the site or only where you want?

3

I want it to valid anywhere on the site