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.
JotForm allows you to Inject your Custom CSS Codes on your form. Please click here to learn how.
To change your label text styles, you can use sample code below:
You may also find this article helpful: http://www.jotform.com/help/75-Customize-your-Form-using-Custom-CSS-Codes
There are also tons of guides about Custom CSS codes on this forum, just use the forum search tool to find it out.
Please let us know if you have further questions.