Examine source code of RauteMusik.FM

{
  "theme": {
    "images": {
      "theme_frame": "personaa.jpg"
    },
    "colors": {
      "frame": "#1c1c1c",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "RauteMusik.FM",
  "manifest_version": 2,
  "description": "Nur hier spielt die Musik! - <a href=\"https://outgoing.prod.mozaws.net/v1/197e41941d419fd625ab4f29384a7f63f0ca133c1bba533c238379878165cbb6/http%3A//www.RauteMusik.FM\" rel=\"nofollow\">http://www.RauteMusik.FM</a>"
}