Examine source code of Pirate Attack

{
  "theme": {
    "images": {
      "theme_frame": "pirateattackheader.jpg"
    },
    "colors": {
      "frame": "#ed8d07",
      "tab_background_text": "#eda411"
    }
  },
  "version": "2.0",
  "name": "Pirate Attack",
  "manifest_version": 2,
  "description": "Pirate Attack is a persona designed by Sandro Marcos under the \"SM Design\" brand and is free to use and share under Creative Commons Licence."
}