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I could not replicate the issue at my end. I checked the page on Safari as well as Chrom and it just loaded fine for me. here is the screenshot:
I would suggest you to clear the form cache and the browser cache and check again.
Browser cache http://www.refreshyourcache.com/en/home/
Form cache https://www.jotform.com/help/229-How-to-Clear-Your-Form-Cache
If the issue still persists, let us know.