Examine source code of Earth Wonder

{
  "theme": {
    "images": {
      "theme_frame": "Earthhead.jpg"
    },
    "colors": {
      "frame": "#a8a5a5",
      "tab_background_text": "#26e3ca"
    }
  },
  "version": "2.0",
  "name": "Earth Wonder",
  "manifest_version": 2,
  "description": "Segment of Earth centralised with blue text."
}