Examine source code of Apple Tango

{
  "theme": {
    "images": {
      "theme_frame": "Orange-Apple-Dots.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Apple Tango",
  "manifest_version": 2,
  "description": "An abstract doted theme based off of the classic Apple \"apple\" logo.  vibrant colors make it look great on any webpage!"
}