Examine source code of Unknown abstract

{
  "theme": {
    "images": {
      "theme_frame": "Unknown_abstract_header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#e0e0e0"
    }
  },
  "version": "2.0",
  "name": "Unknown abstract",
  "manifest_version": 2,
  "description": "another abstract !! :)\n\nThe original creation is here : <a href=\"https://outgoing.prod.mozaws.net/v1/112cd5e05bee1175e2877ba77556dd97c932759af078dc6649e69857fc6a811a/http%3A//elreviae.deviantart.com/%23/d3c2xdn\" rel=\"nofollow\">http://elreviae.deviantart.com/#/d3c2xdn</a>"
}