Examine source code of Patricks Day

{
  "theme": {
    "images": {
      "theme_frame": "SaintPatricksDay.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Patricks Day",
  "manifest_version": 2,
  "description": "Matching wallpaper here <a href=\"https://outgoing.prod.mozaws.net/v1/4668b0c6091d53eab37644d3b07cccc5df0dd42f7d0383da038455c5a20ca669/http%3A//wallpaperswide.com/lucky_clover_3-wallpapers.html\" rel=\"nofollow\">http://wallpaperswide.com/lucky_clover_3-wallpapers.html</a>"
}