Examine source code of Site de Blumenau

{
  "theme": {
    "images": {
      "theme_frame": "firefox3.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Site de Blumenau",
  "manifest_version": 2,
  "description": "Site de Blumenau - quem acessa esta por dentro! - <a href=\"https://outgoing.prod.mozaws.net/v1/1a2b4272ea7c34c79983154addd42d1fef1475d7aae9c4e1c5072a407b595ef1/http%3A//www.sitedeblumenau.com.br\" rel=\"nofollow\">www.sitedeblumenau.com.br</a>"
}