Examine source code of Sunset Serenity

{
  "theme": {
    "images": {
      "theme_frame": "SunsetSerenitycopy.jpg"
    },
    "colors": {
      "frame": "#fc5378",
      "tab_background_text": "#fa8e2f"
    }
  },
  "version": "2.0",
  "name": "Sunset Serenity",
  "manifest_version": 2,
  "description": "Mother Nature's ever changing canvas of awesome colours as another day comes to a close over Vancouver Island, BC"
}