Examine source code of Kitty Nap Time

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#b8988d",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Kitty Nap Time",
  "manifest_version": 2,
  "description": "r=3 cute kittens under a blanker, with white plush toy dog, \n\nDesigned by MaDonna"
}