When i try to edit the user name, adress, everything that appears in the pop up you see in the image in the attachment is editable but invisible when i am writing, i can not see the letters but if i press save they will show in the user on the page, i think it must be related to the ajax.
It's the same problem in IE11 and Firefox 33.1.1, the only browsers i tested.

but we loose the pop up effect. I´ve found the CSS line with Firefox but i can't find the CSS file on the website, the code we need to change is: