Examine source code of Ice Spiral

{
  "theme": {
    "images": {
      "theme_frame": "snowswirlheader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#0b1d36"
    }
  },
  "version": "2.0",
  "name": "Ice Spiral",
  "manifest_version": 2,
  "description": "This design was created for winter and features snow and an ice spiral. Keywords: ice, snow, blue, purple, spiral swirl, coil, winter, Christmas, December, icicles"
}