Examine source code of Amber Gold

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Amber Gold",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(45, 34, 21)",
      "toolbar_text": "rgb(255, 191, 0)",
      "frame": "rgb(18, 17, 7)",
      "tab_background_text": "rgb(255, 191, 0)",
      "toolbar_field": "rgb(18, 17, 7)",
      "toolbar_field_text": "rgb(255, 191, 0)",
      "tab_line": "rgb(255, 191, 0)",
      "popup": "rgb(18, 17, 7)",
      "popup_text": "rgb(255, 191, 0)",
      "icons": "rgb(226, 174, 0)",
      "tab_background_separator": "rgb(255, 191, 0)",
      "tab_loading": "rgb(255, 191, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d20eb8f6-2b65-45ce-bfae-2f76625edd1a}"
    }
  }
}