Examine source code of Black'd Out

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Black'd Out",
  "manifest_version": 2,
  "description": "Pure black, Sprize logo.\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/67d1d7e36f2c37d08ae976b4687635dfbd930b32ae06d46b344c12d56e678438/http%3A//spitze.cu.cc\">Spitze Media Website</a>"
}