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.
I test using your form https://www.jotformpro.com/form/62904589516971 but I could not reproduce the reported issue at this time. The Payment tool wizard is interactive and responsive just fine.
Please see video below when I did the test
Perhaps its just a browser issue on your side. Please try also closing your browser, clear cache and then retry. You may also try using a different browser if issue persist on the specific browser.
Let us know if issue remains.