Examine source code of A Christmas Gift

{
  "theme": {
    "images": {
      "theme_frame": "AChristmasGift.jpg"
    },
    "colors": {
      "frame": "#b4b4b4",
      "tab_background_text": "#ff3300"
    }
  },
  "version": "2.0",
  "name": "A Christmas Gift",
  "manifest_version": 2,
  "description": "Give someone the gift of love at Christmas."
}