With 123 Form Builder, you can customize everything about your web forms. To change the font of your online form, access your form builder account, and open the Form Editor. From the sidebar menu, click on the Design icon.
Under Quick setup section, you will find Font setting – from here you can quickly change the font of your form (question text/label/instructions, but also the input font provided by your respondents.
If you want to change only the font of your form and have a different font for your respondents’ input, then all you have to do is scroll down to Fields section and change the Font setting.