How to change the font of an element?

Good morning; When I ad an element to a form, how can i change the font, ex: text and color in that element When I try it changes the entire form. Tha

May we know the form you're editing at the moment?

To clarify,do you want to edit a specific form element?

May we know what element is this? Usually, we can edit the font of an element using custom CSS codes.

We will wait for your reply.

Thank you.

Im looking to change the fonts in the heading elements
...

Im sorry forgot to give you the form.
https://form.jotform.com/62483905009154
Editing mainly the heading, using fonts and colors.
Thank you
...

I'm not sure what fonts you would like to change but here is a sample css code.

#header_114{
font-family: serif;
}

#subHeader_114{

font-family: serif;
}

Guide:https://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes

Please give it a try and let us know how it goes.

Thank you.