To style the field labels of your WordPress form created with CaptainForm – WordPress Form Builder Plugin – simply access the form’s settings, go to the Themes section, and click the Text category, where you will see all the styling options.
By default, the font of your form will inherit the font of your WordPress theme, so that it blends perfectly with your WordPress website.
If you would like to have a different font style just uncheck this option and choose it according to your preferences.