Examine source code of Discovering Autumn

{
  "theme": {
    "images": {
      "theme_frame": "Kitten-Autumn-Header.jpg"
    },
    "colors": {
      "frame": "#162600",
      "tab_background_text": "#fcc19c"
    }
  },
  "version": "2.0",
  "name": "Discovering Autumn",
  "manifest_version": 2,
  "description": "( kitten orange tabby cat kitty tree climbing blue eyes pink nose white fur cute branches leaves leafs fall autumn colored colorful red orange green yellow foliage leafy little paws )"
}