Picture opens at the very bottom of the page

Hi,

I’m using Colorbox and I have a problem on Chrome. The picture appears low on the page, at the bottom, after the footer.

It works fine on FF & IE.

Example: http://www.catsontreesfans.com/nouveau-clip-jimmy-des-cats-on-trees-calogero/

Can someone help me ? I can’t find the answer

Thanks a lot

https://wordpress.org/plugins/jquery-colorbox/