Examine source code of Nativite-Nativity---12

{
  "theme": {
    "images": {
      "theme_frame": "nativity2c.jpg"
    },
    "colors": {
      "frame": "#8ba4f0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Nativite-Nativity---12",
  "manifest_version": 2,
  "description": "Nativite Nativity Noel Christmas Jesus Lord Seigneur Christ sky ciel night nuit light lumiere stars etoiles"
}