Set Theme Defualts

Sparkle suggestion
1

Setting theme default
font type for h1 h2 h3 h4 h5 or title subheading paragraph
font colour for h1 h2 h3 h4 h5 or title subheading paragraph
font size for h1 h2 h3 h4 h5 or title subheading paragraph
Lockable and unlock able when needed

2

Sparkle doesn’t work with html tags in that way. It works with text styles, which you can save (“Apply changes”), to make the style become a default.