Examine source code of NanoKoonB&Y

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "NanoKoonB&Y",
  "manifest_version": 2,
  "description": "An adoptable I got from Mukichan of FA some time back 2010, she called them Cybergenetic raccoons or \"NanoKoons\" and I can' believe I hadn't thought to make a little theme of the one I got from her until now o3o"
}