Examine source code of setasmart

{
  "theme": {
    "images": {
      "theme_frame": "topo2.png"
    },
    "colors": {
      "frame": "#005703",
      "tab_background_text": "#00ff1a"
    }
  },
  "version": "2.0",
  "name": "setasmart",
  "manifest_version": 2,
  "description": "Tema do site <a href=\"https://outgoing.prod.mozaws.net/v1/f22d3beaffdebc7d2aea94ffdc9cdd6ef1f968e199c81e7a83e70c935b21067a/http%3A//setasmart.blogspot.com\" rel=\"nofollow\">setasmart.blogspot.com</a>"
}