Board Thread:Support Requests - Getting Technical/@comment-31402001-20140801153129

Hello, I need help with making a change in a template:

I need to add a big 3px white line at the bottom to this template, so it would look like this: http://i.imgur.com/LKYsEvY.png (the line at the bottom of the top tabber)

That would a great help if someone knows a way to do it. 