Examine source code of Minus The Bear

{
  "theme": {
    "images": {
      "theme_frame": "minus-the-bearpik.jpg"
    },
    "colors": {
      "frame": "#4233b0",
      "tab_background_text": "#062491"
    }
  },
  "version": "2.0",
  "name": "Minus The Bear",
  "manifest_version": 2,
  "description": "asdf"
}