Examine source code of In space with Firefly

{
  "theme": {
    "images": {
      "theme_frame": "Firefly_Header.jpg"
    },
    "colors": {
      "frame": "#a0d7e8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "In space with Firefly",
  "manifest_version": 2,
  "description": "Firefly from the TV series of the same name, or the movie Serenity."
}