Examine source code of Aero Explorer Seven

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Explorer Seven",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(210, 220, 226, 0)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(255, 255, 255, 0.73)",
      "toolbar_field_text": "rgb(19, 20, 40)",
      "tab_line": "rgb(0, 81, 76)",
      "popup": "rgba(255, 255, 255, 0.73)",
      "popup_text": "rgb(22, 25, 83)",
      "icons": "rgb(255, 255, 255)",
      "popup_border": "rgb(0, 0, 0)",
      "tab_selected": "rgba(120, 153, 255, 0.49)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgba(0, 0, 0, 0)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(0, 81, 76)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b2ee1eb-d1f2-42df-8730-6d9f8d459db8}"
    }
  }
}