Examine source code of Whimsy World

{
  "theme": {
    "images": {
      "theme_frame": "firefox.jpg"
    },
    "colors": {
      "frame": "#b312e8",
      "tab_background_text": "#9ef0ad"
    }
  },
  "version": "2.0",
  "name": "Whimsy World",
  "manifest_version": 2,
  "description": "Whimsy World has a bright and colorful almost child like quality & is a delightful little piece of art for anyone's page,created by  Saint Louis artist Angela Perry."
}