Examine source code of Netscape Navigator 8

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Netscape Navigator 8",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(223, 223, 223)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(15, 125, 140)",
      "toolbar_field": "rgb(239, 242, 242)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(223, 223, 223)",
      "popup": "rgb(223, 230, 229)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(15, 125, 140)",
      "button_background_hover": "rgb(62, 158, 170)",
      "frame_inactive": "rgb(210, 215, 215)",
      "icons_attention": "rgb(15, 125, 140)",
      "icons": "rgb(15, 125, 140)",
      "ntp_background": "rgb(14, 136, 153)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(224, 232, 233)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(19, 128, 146)",
      "sidebar_border": "rgb(15, 125, 140)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(15, 125, 140)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(224, 230, 230)",
      "tab_background_separator": "rgb(223, 230, 229)",
      "tab_selected": "rgb(223, 223, 223)",
      "tab_text": "rgb(1, 9, 10)",
      "toolbar_field_separator": "rgb(222, 225, 224)",
      "toolbar_top_separator": "rgb(210, 221, 219)",
      "toolbar_vertical_separator": "rgb(218, 221, 220)",
      "tab_loading": "rgb(223, 223, 223)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3fecdbdf-d0fd-47e4-952e-6b20a06a3463}"
    }
  }
}