White space above/below report in embedded iFrame - is there any fix?

[jsnodin]

Hi, 

I built a report which looks perfect when I open the direct link (screenshot) but when I embed the iFrame (screenshot), a huge white space is added above and beneath the frame. I saw a couple of others with this issue, but none successfully resolved. 

Any thoughts? Seems like there could/should be a very simple fix for this. 

Many thanks in advance for any guidance. 

Josh.