Examine source code of the outside world

{
  "theme": {
    "images": {
      "theme_frame": "kl.png"
    },
    "colors": {
      "frame": "#6150de",
      "tab_background_text": "#efedf7"
    }
  },
  "version": "2.0",
  "name": "the outside world",
  "manifest_version": 2,
  "description": "the outside world"
}