Examine source code of Smooth Coffee

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Smooth Coffee",
  "manifest_version": 2,
  "description": "All credits to Alexander-GG\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/cf691616aee0596a3b7f8d1cdfd45f578964a87af8bcc7a1666d4f67185e3efa/http%3A//www.deviantart.com/art/G1-187483903\">http://www.deviantart.com/art/G1-187483903</a>"
}