Examine source code of Cobalt Daisy

{
  "theme": {
    "images": {
      "theme_frame": "daisy3.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cobalt Daisy",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Cobalt Daisy” wallpaper. 3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. Wallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/97d17fd77cdc4871ccad4ecc2e268795d55b1601baa217b0118a650be746c716/http%3A//digitalblasphemy.com/preview.shtml%3Fi=cobaltdaisy\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=cobaltdaisy</a>"
}