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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    How does this work with the lightbox popup?

    Asked by goshow on September 30, 2015 at 08:16 AM

    How does this work with the lightbox popup? Because I have to set the size in the popup, but it is too wide in the mobile version.


    This is a re-post of a comment on Deprecated: How to make mobile friendly forms on JotForm

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    JotForm Support

    Answered by david on September 30, 2015 at 11:32 AM


    The lightbox is not yet mobile friendly.  There are a couple tickets open to adjust this but the changes have not yet been made.  The workaround that a few people have suggested is to change your lightbox width to 100%.  This will cause your lightbox to fit the screen it is opened in.

    You can also use a "pop-up" instead of the lightbox.  The pop-up will open in a new window and the mobile responsive CSS or widget should then apply properly.