Examine source code of Smartdriver version 2

{
  "theme": {
    "images": {
      "theme_frame": "up1.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Smartdriver version 2",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/d71bffd9d532873d6c8f790315f6548634276252dc5b81f0afdc9c1d65556560/http%3A//www.smartdriver.it\" rel=\"nofollow\">www.smartdriver.it</a>"
}