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.
To change the style of the submit button, follow these steps :
1. Go to Designer, on the top toolbar :
2. Go to the CSS tab and paste this CSS code, click on Save.
You can add the CSS properties you want, here is my sample form, you can clone it and check the changes I made :
Let us know if you have more questions, we will be glad to assist you.