Examine source code of the_sky

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#a7a1e9",
      "tab_background_text": "#080812"
    }
  },
  "version": "2.0",
  "name": "the_sky",
  "manifest_version": 2,
  "description": "Un estilo muy personal de © Valeriano Salas, autor también de la web: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e60d21a78002fcd9afd34b6341a6e3df56e47131e1f139707e85980de19ca0e7/http%3A//deseoaprender.com\">deseoaprender.com</a>"
}