Examine source code of Honor and Sacrifice

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Honor and Sacrifice",
  "manifest_version": 2,
  "description": "Something I came up with in <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/6c67a6544621a57268c52dc018bb2366122a90d2da6787c748d3da03b6b64347/http%3A//Paint.net\">Paint.net</a>."
}