Examine source code of ivanloyo

{
  "theme": {
    "images": {
      "theme_frame": "personasfirefox.jpg"
    },
    "colors": {
      "frame": "#2121e0",
      "tab_background_text": "#2121e0"
    }
  },
  "version": "2.0",
  "name": "ivanloyo",
  "manifest_version": 2,
  "description": "Airplane RC"
}