Examine source code of la_cabeza_tortuga

{
  "theme": {
    "images": {
      "theme_frame": "Skinmoz1.jpg"
    },
    "colors": {
      "frame": "#068eb8",
      "tab_background_text": "#0510a6"
    }
  },
  "version": "2.0",
  "name": "la_cabeza_tortuga",
  "manifest_version": 2,
  "description": "nadan tortugas nadar!"
}