Examine source code of Linode Dark Green

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Dark Linode Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(46, 112, 78)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(50, 54, 59)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(50, 54, 59)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 242, 121)",
      "popup": "rgb(50, 54, 59)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(0, 242, 121)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d62b19c7-f488-4a1e-bc98-e20afd222019}"
    }
  }
}