VP-46: Themed play overlay.
VP-46: Theming styles tweaked to match overlay class changes
VP-46: Changed videoplayer to videoPlayer in css
VP-46: Opaque bg added for themes
Merge remote-tracking branch 'heidiv/VP-46'

* heidiv/VP-46:
  VP-46: Opaque bg added for themes
  VP-46: Themed play overlay.