Examine source code of Papillion

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Papillion",
  "manifest_version": 2,
  "description": "This simple theme is a tribute to Papillion, my ragdoll cat and best friend. I miss him every day. See more of Papillion @ <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b9334709287629d783cb0e9b1201e607311a89606ed4cde1c1c14d5ca959674b/http%3A//instagram.com/papillion2001\">http://instagram.com/papillion2001</a>"
}