Fix a CSS issue with the last version of Chrome in a web page

It is required to fix an issue with last version of Chrome (not in other browsers) in a web application. The right borders of buttons are not printed. The attached document describes the simple steps to reproduce the issue It is required: 1) Describe the reason that causes the issue 2) Indicate the changes to the file [login to view URL] to solve de problem. As the solution is multilanguage, it should work for any text in the buttons and any email address.