Pop up Picture looks offcentered

Hey guys, when i create a pop up and upload a picture and put the Subscribe by email short code beneath it, the pictured looks off centered when it pop ups.

Any ideas on how i can fix this?

here is what it looks like
http://i981.photobucket.com/albums/ae293/rimoreno/ScreenShot2014-04-30at125331PM_zps9fe944f8.