Examine source code of Green Spring Leaves

{
  "theme": {
    "images": {
      "theme_frame": "Green-spring-leaves-persona-header.jpg"
    },
    "colors": {
      "frame": "#737171",
      "tab_background_text": "#030000"
    }
  },
  "version": "2.0",
  "name": "Green Spring Leaves",
  "manifest_version": 2,
  "description": "This Green Spring Leaves persona is designed for Firefox by <a href=\"https://outgoing.prod.mozaws.net/v1/231b6bfe5933eaafd8e075c6788b2252d987424c6c9a38beafb79351083427e7/http%3A//webanimax.com\" rel=\"nofollow\">webanimax.com</a>. This persona is donated to Firefox by <a href=\"https://outgoing.prod.mozaws.net/v1/231b6bfe5933eaafd8e075c6788b2252d987424c6c9a38beafb79351083427e7/http%3A//webanimax.com\" rel=\"nofollow\">webanimax.com</a>."
}