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.

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    Can I adjust the thickness of the lightbox style border?

    Asked by talletian on May 13, 2016 at 01:08 PM

    Ideally i'd like to remove or at the least decrease the thick border around the lightbox form, additionally if there was a way to change the edges from rounded to rectangle.

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    JotForm Support

    Answered by Welvin on May 13, 2016 at 02:13 PM

    Add the following custom CSS codes to your website stylesheet(s):

    .jt-feedback > div:nth-child(1) {

        border-radius: 0 !important;

        background: none !important;


    The codes will remove the background and will remove the border radius. 

    This is the result: