Backup: Delete button not visible
http://www.img-teufel.de/img_Bildschirmfoto20121008um21c06f007c11c06f007c20c06f007cpng.png.html
Not sure if a delete function is implemented or if the half-showing delete image is from a sprite, but it doesn't look good.
Probably changing the textes to "Restore" and "Backup" would do the trick.
Tested with Chrome 22 on OSX