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.
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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 color font size or height of your subheaders by injecting the CSS code below from designer. You can change the values I've chosen the red color as an example.
height: 40px !important;
color: red !important;
font-size: 13px !important;
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Thanks your information, That's perfect ^^