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.
The ids of the fields keep changing based on the number of fields on the form. However, there are different classes are each field. You may find the Fied IDs and Names on your JotForm, please follow the guide below:
It is recommended to use our advanced Form Designer to make any changes to the design of your form. You can also select the fields and inject the custom CSS to the form from the Form Designer itself. The guide with basic video tutorials of the Form Designer might help you in this regard.
Hope this information helps!