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.
Unfortunately, I can't visit the link that you gave above, you might have mistype or gave an incorrect web link.
May I know what you meant by narrower? Is it by width? The padding? Margin? Please do provide us the correct link where the form is embedded so that we can better assist you.