Examine source code of Trick or Treating

{
  "theme": {
    "images": {
      "theme_frame": "OrangeKidsHouse_HeaderWeb.jpg"
    },
    "colors": {
      "frame": "#220d0d",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Trick or Treating",
  "manifest_version": 2,
  "description": "Kids trick or treating is a staple for Halloween."
}