Examine source code of Darchon Dark Green

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Dark Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(13, 78, 21, 0.8)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 43, 5)",
      "tab_background_text": "rgb(148, 157, 173)",
      "toolbar_field": "rgba(0, 0, 0, 0.2)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(4, 68, 10)",
      "popup": "rgb(13, 78, 21)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(4, 68, 10)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{24132792-af9d-4662-a69c-b63b2bd6706e}"
    }
  }
}