Hello
Thank you so much for contacting us!
As for Typography issue is concerned you can change typography or font size by going to Dashboard > Theme Options > Typography https://prnt.sc/12hlok4 It change overall generic theme setting, but some element has there own font size which you can change from there respective section.
If this doesn’t work or you have more questions, just let me know, and I’ll be happy to help!
Robert Hall
Customer Support