I'm using galleria with jquery but for some reason it's not working properly on firefox and safari on macintosh.

The thumbnails appears but when you click sometimes it show the image fullscreen, other times it show really small in the corner, sometimes it show the close next and previous icon, other times it don't...

can anyone please help me? i have no idea what to do.

Here is the link of my site: http://tinyurl.com/cmbjs5v

Thank you