Examine source code of pastoral window

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#8c7165",
      "tab_background_text": "#e8e892"
    }
  },
  "version": "2.0",
  "name": "pastoral window",
  "manifest_version": 2,
  "description": "\"Feed my sheep\"\noriginal picture: Pastoral by Roza Vulf on <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/940ca23c9935a42eb2ed6d876917afe57c037eb37fc366e726be240d17f97454/http%3A//500px.com\">500px.com</a>"
}