Examine source code of Evolved FM

{
  "theme": {
    "images": {
      "theme_frame": "Evolved_fm_top.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Evolved FM",
  "manifest_version": 2,
  "description": "Evolved FM is a commercial-free web radio station, that runs entirely on volunteer effort. It's my favorite radio station so I couldn't fail to make a persona for it! - Original image is copyright Evolved FM | <a href=\"https://outgoing.prod.mozaws.net/v1/83e9ee61de4ac4109a52baf5deed5a4a72233fae15b745198bc1712d815b9abb/http%3A//www.evolved.fm/\" rel=\"nofollow\">http://www.evolved.fm/</a>"
}