Live audio player: When live, the player styling should match the audio bar on a story page more closely

[alykat]

See: https://www.npr.org/2019/11/14/779465241/how-game-of-thrones-fans-are-revitalizing-northern-ireland-s-economy

Mostly looking at the color and the main text styling. Don't need the buttons to the right. There's also a subtle effect on the play button on hover.