Examine source code of Laboratory

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#c7c7c7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Laboratory",
  "manifest_version": 2,
  "description": "Are you into science? Me too! This persona makes your firefox feel like a laboratory! <a href=\"https://outgoing.prod.mozaws.net/v1/88c325e1b9360cdb6c660f08a39151c53630a6d582731f12898d8b64a8359a45/http%3A//www.fishoilblog.com/\" rel=\"nofollow\">http://www.fishoilblog.com/</a>"
}