Examine source code of GLTSS.org

{
  "theme": {
    "images": {
      "theme_frame": "persona1_banner.png"
    },
    "colors": {
      "frame": "#ff8800",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "GLTSS.org",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/5e04907dff210cae1b7bc5562b807867e1ed0ac490246181b2a84be95e499f40/http%3A//www.gltss.org\">http://www.gltss.org</a>\n\nGod Likes To Smell Sweat"
}