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 think you are using our source codes embed method and your website stylesheet overrides the form styles for the form. If this is correct, I would recommend re-embedding your form using our iframe method:
But not unless you have intentionally used the source codes for custom form function. If so, please share us the website link here so we can inspect it for you.