Examine source code of Winter Wind

{
  "theme": {
    "images": {
      "theme_frame": "windyheader3000.jpg"
    },
    "colors": {
      "frame": "#666666",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Winter Wind",
  "manifest_version": 2,
  "description": "A gray winter scene, a snowy whiteout."
}