Examine source code of nVidia black

{
  "theme": {
    "images": {
      "theme_frame": "nVidianagwek.png"
    },
    "colors": {
      "frame": "#878787",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "nVidia black",
  "manifest_version": 2,
  "description": "nVidia black\ngood quality for Windows 7\nbest resolution: 1680/1050\n\nThis is my first personas theme, so please don't comment it negative, but enjoy!"
}