Examine source code of Pasenger

{
  "theme": {
    "images": {
      "theme_frame": "personaheader.jpg"
    },
    "colors": {
      "frame": "#faf5f5",
      "tab_background_text": "#a4a4ab"
    }
  },
  "version": "2.0",
  "name": "Pasenger",
  "manifest_version": 2,
  "description": "Pasenger is a rock band from San Antonio, Texas\nlisten to them here: <a href=\"https://outgoing.prod.mozaws.net/v1/3777ecc60962f0de6aeb607b12cbcbc2265ec02af8edf72b2c9fce4d78f010e7/http%3A//listn.to/pasenger\" rel=\"nofollow\">http://listn.to/pasenger</a>"
}