Examine source code of Cockatiel Peep

{
  "theme": {
    "images": {
      "theme_frame": "pumpkinpie.jpg"
    },
    "colors": {
      "frame": "#c7530a",
      "tab_background_text": "#e81e1e"
    }
  },
  "version": "2.0",
  "name": "Cockatiel Peep",
  "manifest_version": 2,
  "description": "Whiteface cockatiel hen with peeps"
}