I can't figure out why viewport isn't working how it should be?

I'm creating a small portal for my company using JotForm but i can't get the page to be fully zoomed out on an iPhone. I've embedded the form within a page on a test site.

I've used the viewport feature (the page is responsive by default with jotform) but it just won't zoom out fully on loading the page on an iPhone.

The page is --> http://ift.tt/1dU1KGp

In all honesty, im not trained in html/css, im just learning as i go along at the moment but just can't figure this one out.

It may just be really obvious and that i need a second opinion.

Thanks in advance!