Examine source code of Matt Georges

{
  "theme": {
    "images": {
      "theme_frame": "whiteline.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Matt Georges",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/cb913bd9bd16e9c4a539ba13cbcd0ed417170a0edd55259344fa46533298620c/http%3A//whitelines.mpora.com/\" rel=\"nofollow\">http://whitelines.mpora.com/</a>"
}