Examine source code of Merry Christmas_

{
  "theme": {
    "images": {
      "theme_frame": "MerryChristmas_alto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#33ff33"
    }
  },
  "version": "2.0",
  "name": "Merry Christmas_",
  "manifest_version": 2,
  "description": "TAGS:\nballs,lights,bright,bulbs,ornaments,night,white,colors,colorful,glitter,golden,\nwinter,fantasy,magical,dream,nativity,tree,candelora,Santa Claus,New Year"
}