Examine source code of Christmas 2013

{
  "theme": {
    "images": {
      "theme_frame": "persona13mic.jpg"
    },
    "colors": {
      "frame": "#8897bf",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Christmas 2013",
  "manifest_version": 2,
  "description": "Merry Christmas, 2013, Christmas balls, red, golden, yellow, grey, blue, shine, bow, fir, tree, branches, frozen, decorations, winter, beautiful, seasonal, holiday, Real.Twilight"
}