It "hops" every couple of seconds in a jarring fashion. It's really rather annoying. The button is black text on light grey background, yes. I think the parent

It "hops" every couple of seconds in a jarring fashion. It's really rather annoying. The button is black text on light grey background, yes. I think the parent poster is more pointing out that the light-grey-on-white-background, which isn't very noticeable. (I didn't know there was a pause button until read this thread.)