Examine source code of Rainbow Dot Animated

{
  "theme": {
    "images": {
      "theme_frame": "Final.png"
    },
    "colors": {
      "frame": "#333333",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rainbow Dot Animated",
  "manifest_version": 2,
  "description": "The persona moves through the colors of the rainbow, just on darker tones to make it easier on the eyes."
}