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.
You can change the background color of the element that holds the submit button by finding this CSS code line in your Form Designer Tool:
background : rgb(250, 10, 0);
overflow : hidden;
padding-top : 10px;
padding-bottom : 10px;
You can change the value in the "background" attribute. Here's a demo on how I changed the color:
You can use this tool to get the RGB color values: http://www.w3schools.com/colors/colors_rgb.asp
I hope that helps.