Examine source code of Netscape Now

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Netscape Now",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(225, 234, 239)",
      "toolbar_text": "rgb(1, 101, 131)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(13, 125, 146)",
      "tab_line": "rgb(112, 237, 248)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(13, 125, 146)",
      "button_background_active": "rgba(38, 158, 196, 0.46)",
      "icons": "rgba(1, 101, 131, 0.82)",
      "sidebar_border": "rgb(1, 117, 154)",
      "tab_loading": "rgb(112, 237, 248)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4d95612-7591-4506-8384-01b33ac86f62}"
    }
  }
}