Examine source code of Blue Brushed

{
  "theme": {
    "images": {
      "theme_frame": "bluebrushedheader.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Blue Brushed",
  "manifest_version": 2,
  "description": "Blue brushed that goes well with Windows 7 starter on netbooks, or anywhere else it looks good on."
}