JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You need to add a widget like Mobile Responsive widget to your form, so that your site are viewable on any mobile device, please use this widget:
It is very easy to use, please click Get Now and you will be redirecting to the form that you have need to use this feature, or search the widget through our Widget Tools like the screenshot below.
Please consider not adding any extra CSS customization on the form after creating it in the form builder, as this might affect how the widget works.