Examine source code of skinizate

{
  "theme": {
    "images": {
      "theme_frame": "Skinizate_Persona_Header_Image.jpg"
    },
    "colors": {
      "frame": "#fcf7f7",
      "tab_background_text": "#f7f2f2"
    }
  },
  "version": "2.0",
  "name": "skinizate",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/8a089afbf44fb9dd7bf14f1100ae4bfd758f2a6fcb4674e48a8118d9288a3689/http%3A//skinizate.com\" rel=\"nofollow\">skinizate.com</a> is the site to personalize your electronic device."
}