How to add custom font (2019)

Hi!

How to add custom fonts (not google fonts) to my forms? It seems you previously had some css-style editor, which I do not have. I do not find any information about it (except few unanswered questions on previous questions here).

Thank you!

Please note that, if you are using card form it is not possible to add custom CSS. It is only possible in classic forms (all questions in a single page). If you wish to add custom fonts, you can switch to classic layout and use custom CSS code.