Sweeping Cooldown Icon Overlay

[Taraezor]

I know how to display a cool down overlay on an icon. Also a countdown of seconds too. The "animation" if I can call it that, is provided by Blizzard and it looks like the second hand of a clock, moving clockwise around the icon.

What I want to do is get this to go ANTI-clockwise and for the "second hand" to be a different colour.

Can someone help please.