Examine source code of Winter 6

{
  "theme": {
    "images": {
      "theme_frame": "Winter6.jpg"
    },
    "colors": {
      "frame": "#919191",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Winter 6",
  "manifest_version": 2,
  "description": "Images provided by <a href=\"https://outgoing.prod.mozaws.net/v1/e1dbea05129c66cb85b18ff1830215a37ed6de423fb62399ec5bf25b2712d335/http%3A//www.OutLawByDesign.com\" rel=\"nofollow\">www.OutLawByDesign.com</a>"
}