Examine source code of Visual Studio 2010

{
  "theme": {
    "images": {
      "theme_frame": "vs2010_header.png"
    },
    "colors": {
      "frame": "#89aac4",
      "tab_background_text": "#270854"
    }
  },
  "version": "2.0",
  "name": "Visual Studio 2010",
  "manifest_version": 2,
  "description": "Visual Studio 2010 theme, for all .net developers out there..."
}