Examine source code of f4uCorsair

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_f4ucorsair.jpg"
    },
    "colors": {
      "frame": "#e0eda4",
      "tab_background_text": "#0a1459"
    }
  },
  "version": "2.0",
  "name": "f4uCorsair",
  "manifest_version": 2,
  "description": "the best and beautiful plane of the world !"
}