Examine source code of Mac pro design

{
  "theme": {
    "images": {
      "theme_frame": "macpro.jpg"
    },
    "colors": {
      "frame": "#bababa",
      "tab_background_text": "#ffee00"
    }
  },
  "version": "2.0",
  "name": "Mac pro design",
  "manifest_version": 2,
  "description": "Mac pro skin, apple, macintosh, computer, geek, mac..."
}