Examine source code of Sandi Alvaro Hat

{
  "theme": {
    "images": {
      "theme_frame": "bnwheader.jpg"
    },
    "colors": {
      "frame": "#918b8b",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sandi Alvaro Hat",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/b4cd020439cd5296ff69ddd56148e8d3fb0181c42cb905b8a8f7751ae8f5619e/http%3A//www.sandialvaro.org\" rel=\"nofollow\">www.sandialvaro.org</a>"
}