Examine source code of Rooted

{
  "name": "Rooted",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "abstrakt96.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(219, 219, 219, 1)",
      "toolbar": "rgba(74, 72, 30, 0.75)",
      "bookmark_text": "rgba(232, 199, 33, 1)",
      "toolbar_field": "rgba(52, 112, 22, 0.38)",
      "toolbar_field_text": "rgba(230, 202, 21, 1)",
      "tab_line": "rgba(153, 163, 18, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{107a2ce9-e7e3-45a9-ae75-b721fdac6ddb}"
    }
  }
}