Examine source code of arenoso

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Chaconitrol_areno",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(181, 169, 142)",
      "toolbar_text": "rgb(3, 3, 3)",
      "frame": "rgb(96, 87, 66)",
      "tab_background_text": "rgb(204, 188, 144)",
      "toolbar_field": "rgb(245, 245, 242)",
      "toolbar_field_text": "rgb(3, 3, 3)",
      "tab_line": "rgba(86, 76, 7, 0.99)",
      "popup": "rgb(106, 96, 73)",
      "popup_text": "rgb(189, 189, 177)",
      "button_background_active": "rgb(97, 65, 2)",
      "button_background_hover": "rgb(189, 179, 165)",
      "frame_inactive": "rgb(96, 87, 66)",
      "icons_attention": "rgb(252, 227, 18)",
      "icons": "rgb(0, 0, 0)",
      "ntp_background": "rgb(219, 201, 169)",
      "ntp_text": "rgb(0, 0, 0)",
      "popup_border": "rgb(3, 3, 3)",
      "popup_highlight": "rgb(124, 92, 5)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_highlight_text": "rgb(244, 242, 237)",
      "sidebar_highlight": "rgb(181, 169, 142)",
      "sidebar_text": "rgb(3, 3, 3)",
      "tab_loading": "rgba(86, 76, 7, 0.99)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c83c3c8a-20c6-418c-82b2-53a347be1a17}"
    }
  }
}