Examine source code of Groovecaffe

{
  "theme": {
    "images": {
      "theme_frame": "GCAF22i.jpg"
    },
    "colors": {
      "frame": "#283b30",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Groovecaffe",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/79d08cf5855d665685df3c46a27b4f8b61d15acbf01a54706dc2f950616babc7/http%3A//Groovecaffe.com\" rel=\"nofollow\">Groovecaffe.com</a> is netlabel which releases lounge and electronic music under the creative-common licence."
}