Ribbon tab color MICROSOFT OFFICE 2016

Antonio, I wish arrived as this [url:3bvuxy5j]https://support.office.com/en-us/article/Change-the-look-and-feel-of-Office-2016-for-Windows-with-Office-themes-63e65e1c-08d4-4dea-820e-335f54672310[/url:3bvuxy5j] please see the Dark gray theme there is not the line on the bottom