Examine source code of Christmas gift

{
  "theme": {
    "images": {
      "theme_frame": "Christmas_gift_2011_026046_.jpg"
    },
    "colors": {
      "frame": "#403207",
      "tab_background_text": "#5c2e05"
    }
  },
  "version": "2.0",
  "name": "Christmas gift",
  "manifest_version": 2
}