Examine source code of Hand-Made Collage

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#b3b3b3",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Hand-Made Collage",
  "manifest_version": 2,
  "description": "Cool collage style for visual life people !\n<a href=\"https://outgoing.prod.mozaws.net/v1/8a6c92d3611a435d65933dcac04b4ae3a94dd86a29883b8f90ed4926252a8974/http%3A//www.estudionido.com.ar\" rel=\"nofollow\">www.estudionido.com.ar</a>"
}