Examine source code of Rian Design

{
  "theme": {
    "images": {
      "theme_frame": "topo.jpg"
    },
    "colors": {
      "frame": "#dedede",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rian Design",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/ef866bc3f0f4d089241a9914705fcfcd11ea34cb1cada6e7ebc68308e6e96776/http%3A//www.riandesign.com.br\" rel=\"nofollow\">www.riandesign.com.br</a>"
}