Examine source code of len rin

{
  "theme": {
    "images": {
      "theme_frame": "bar.jpg"
    },
    "colors": {
      "frame": "#1fdb3b",
      "tab_background_text": "#d4c70f"
    }
  },
  "version": "2.0",
  "name": "len rin",
  "manifest_version": 2,
  "description": "-hihi"
}