Examine source code of Windows 7 - Blue

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#949494",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Windows 7 - Blue",
  "manifest_version": 2,
  "description": "The \"7\" persona was made to match the Windows 7 operating system as it symbolizes a new beginning and remembrance of the past versions of windows that got us here. "
}