Comment 28 for bug 1824409

(In reply to Dão Gottwald [::dao] from comment #16)
> Comment on attachment 8923047
> Bug 1403483 - Show tab separator on first tab instead of on the pre-tabs
> whitespace.
>
> https://reviewboard.mozilla.org/r/194262/#review200420
>
> It's not clear to me why this patch moves the border away fron the pre-tabs
> whitespace. Why can we not just fix that border's height?

The border styling needs to change when the first tab is hovered/selected: is there an easy way to style the border of the pre-tabs whitespace depending on the :hover/visuallyselected state of the first tab? I don't see one.