Examine source code of Dark Fox (Hex Version)

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "Dark Fox (Hex Version)",
  "description": "Improved dark theme for Firefox, with orange accents. Don't forget to rate and/or comment. Cheers! ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(92, 92, 92, 0.46)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(204, 204, 204)",
      "toolbar_field": "rgba(0, 0, 0, 0.33)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 146, 0)",
      "popup": "rgb(59, 59, 59)",
      "popup_text": "rgb(219, 219, 219)",
      "button_background_active": "rgb(232, 147, 0)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(136, 86, 1)",
      "toolbar_field_border_focus": "rgb(135, 86, 0)",
      "tab_loading": "rgb(255, 146, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26d881da-9b21-4bb2-bb75-aeb88242d827}"
    }
  }
}