Examine source code of Jets in Formation

{
  "theme": {
    "images": {
      "theme_frame": "jettop.jpg"
    },
    "colors": {
      "frame": "#5859a6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Jets in Formation",
  "manifest_version": 2,
  "description": "A group of jets flying quickly away."
}