Examine source code of Bird people

{
  "theme": {
    "images": {
      "theme_frame": "bird_people_head.jpg"
    },
    "colors": {
      "frame": "#de1414",
      "tab_background_text": "#f7950d"
    }
  },
  "version": "2.0",
  "name": "Bird people",
  "manifest_version": 2,
  "description": "Magic birds with human heads soar through a deep blue sky. From the Bird People series of paintings by Sushila Burgess."
}