Examine source code of Anio Nuevo

{
  "theme": {
    "images": {
      "theme_frame": "Anionuevo3.jpg"
    },
    "colors": {
      "frame": "#8f8d8d",
      "tab_background_text": "#f7be20"
    }
  },
  "version": "2.0",
  "name": "Anio Nuevo",
  "manifest_version": 2,
  "description": "Images from New Year 2009-10"
}