Examine source code of Precisely Purple

{
  "theme": {
    "images": {
      "theme_frame": "PreciselyPurpleHCustom.jpg"
    },
    "colors": {
      "frame": "#74138c",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Precisely Purple",
  "manifest_version": 2,
  "description": "My wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/2b4aaa255c2de4331381e28a65b60e08c30742b52e7b21ceb58fb245973cd33d/http%3A//nature.desktopnexus.com/wallpaper/1002244/\">http://nature.desktopnexus.com/wallpaper/1002244/</a>"
}