Darker toolbar group border
Darker toolbar group border

Roan and I think this is way too light. The only way
I can tell it's a group is by mousing over all of
the icons back and forth really quickly :)

Increasing to 10% alpha.

Change-Id: Iab55bf64921de5247d10d611318e545efe74fe4a

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui