Image radio buttons, please help!

Hello, there is too much empty space on the top of the image radio buttons widget.

I add a form with html Iframe to my site. 

You will see there is almost 3cm empty space on a top. I dont want this, can you help me fix this.

http://www.radio-code.rs/#!lancia/jgmkn

Seems like you have posted this before, I have already assisted to you on this thread: http://www.jotform.com/answers/766202-How-to-get-rid-of-empty-space-on-image-radio-buttons.

Please, do not open multiple threads about the same question/issue, it helps us to assist you better.