Examine source code of Red10.com

{
  "theme": {
    "images": {
      "theme_frame": "Red10Competo.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Red10.com",
  "manifest_version": 2,
  "description": "Para <a href=\"https://outgoing.prod.mozaws.net/v1/957ecf10caaf894b35470326e4844156b46eb759f70fa6f384de9067cbc0c95c/http%3A//Red10.com\" rel=\"nofollow\">Red10.com</a>"
}