Examine source code of Laser Ice

{
  "theme": {
    "images": {
      "theme_frame": "laser_ice_header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Laser Ice",
  "manifest_version": 2,
  "description": "A macro shot of ice build-up, saturation adjusted to bring out more of the colors, a nice abstract design courtesy (mostly) of Mother Nature."
}