What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
Are you trying to fit your fields like this?
If so, then you can achieve it by injecting this code to your form:
This guide will help you to inject the code to your form: How-to-Inject-Custom-CSS-Codes
Here is also the link where I applied the code so you can take a look to the live sample: https://form.jotform.com/61968945700971
If this does not help, please provide us more details about what you're looking for, we will be glad to help you.