Examine source code of kashivan

{
  "theme": {
    "images": {
      "theme_frame": "bg_firefox_by_kash.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#e8e8e8"
    }
  },
  "version": "2.0",
  "name": "kashivan",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/35fda3f55d30b68fa28a165a3d74b82213e142b1a5626b992a8301db5b5cae1c/http%3A//kashivan.blogspot.com/\" rel=\"nofollow\">http://kashivan.blogspot.com/</a>"
}