Examine source code of Kittens in flowers

{
  "theme": {
    "images": {
      "theme_frame": "Kittens2.jpg"
    },
    "colors": {
      "frame": "#300303",
      "tab_background_text": "#fcdb05"
    }
  },
  "version": "2.0",
  "name": "Kittens in flowers",
  "manifest_version": 2,
  "description": "Kitty in spring flowers."
}