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'm not that familiar with Material Design, are you referring to this one: http://www.google.com/design/spec/material-design/introduction.html?
You can design your form as extensively as possible using our Form Designer, either you use the features there or use custom CSS codes.
1. Log in to your account, click the "Designer" icon.
2. Inside the Form Designer, you will see the default features under the "Design" tab and the advance custom CSS codes at the "CSS" tab.
I would also like to recommend the following guides that might help you better design your forms.
I hope this helps. Let us know if you need more assistance on this.