Examine source code of Chocolate Chip Cookie

{
  "theme": {
    "images": {
      "theme_frame": "heartcookies.png"
    },
    "colors": {
      "frame": "#ed007e",
      "tab_background_text": "#700896"
    }
  },
  "version": "2.0",
  "name": "Chocolate Chip Cookie",
  "manifest_version": 2,
  "description": "looks like a cookie"
}