silverstripe/sapphire — pull request #521 by ajshort (2012-06-12 14:44:38+00:00)
Title: MINOR: Fixed nested tab styling.

* Added and styled border below nested tabs.
* Fixed duplicate nested tabset divs being created.
* Before: http://i.imgur.com/wrryT.png
* After: http://i.imgur.com/C1JnJ.png
* Tested in FF, chrome, IE8-9.