Examine source code of Apollo 8 Earthrise

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Apollo 8 Earthrise",
  "manifest_version": 2,
  "description": "This Persona is based on \"Earthrise\", a photo taken by the astronauts of Apollo 8."
}