Examine source code of Cleore

{
  "theme": {
    "images": {
      "theme_frame": "cleore1.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Cleore",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/fbcb0a35d01ce83fbfeda4675114c6b954f94fb3f4edbcea19ed546c93a24a05/http%3A//cleore.tumblr.com\" rel=\"nofollow\">http://cleore.tumblr.com</a>"
}