Hello,
XStore > Custom fonts > Upload Your Custom Font Theme options > typography > headings Check this topic https://www.8theme.com/topic/responsive-headings/ https://www.w3schools.com/cssref/pr_font_font-size.asp https://www.w3schools.com/cssref/pr_font_weight.asp https://www.w3schools.com/cssref/pr_text_color.asp
Regards
