Examine source code of Buon Natele

{
  "theme": {
    "images": {
      "theme_frame": "ChristmasBall2010UPBN.jpg"
    },
    "colors": {
      "frame": "#f7f4f4",
      "tab_background_text": "#140f63"
    }
  },
  "version": "2.0",
  "name": "Buon Natele",
  "manifest_version": 2,
  "description": "Buon Natale!"
}