Examine source code of The Minions

{
  "theme": {
    "images": {
      "theme_frame": "despicable.jpg"
    },
    "colors": {
      "frame": "#c42525",
      "tab_background_text": "#cf8438"
    }
  },
  "version": "2.0",
  "name": "The Minions",
  "manifest_version": 2,
  "description": "the minions on your screen"
}