Examine source code of Windows 7 v1 Blue

{
  "theme": {
    "images": {
      "theme_frame": "Head.jpg"
    },
    "colors": {
      "frame": "#8a8a8a",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Windows 7 v1 Blue",
  "manifest_version": 2,
  "description": "This is a stylish blue theme, with a touch of the new microsoft os"
}