Examine source code of Underground Cast

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#c2c2c2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Underground Cast",
  "manifest_version": 2,
  "description": "Design features Jurnee Smollett-Bell, Aldis Hodge, Christopher Meloni, Alano Miller, Renwick Scott, Mykelti Williamson and Theodus Crane from WGN America's TV series Underground.\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/8c956bf4aa28f4d27ed2131ffdbe713584e8b171aecf85f8998388ee32e2fd23/http%3A//www.wgnamerica.com/series/underground\">http://www.wgnamerica.com/series/underground</a>"
}