Changing font style is not supported at the moment except for formula field where you can change the font size. RelatedCan I use CSS to have additional styling?How to change the font size of the formula field?Related ArticlesCan I use CSS to have additional styling?Can I prefill a lookup or formula field?How to customize the label of the form's save button?How to change the attachment thumbnail size?How to change the font size of the formula field?