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.
I'm seeing you attempted to add some Custom CSS to the Slider widget:
font-family: arial, font-size:10px
Sadly, the codes you used are invalid. All CSS lines should terminate with a semicolon and should be associated with a proper CSS selector.
Just remove those codes and replace them with the following: