Examine source code of Yakushi Kabuto

{
  "theme": {
    "images": {
      "theme_frame": "HeaderKabutoDARK.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#bb9eff"
    }
  },
  "version": "2.0",
  "name": "Yakushi Kabuto",
  "manifest_version": 2,
  "description": "It's a cute chibi-like image of Kabuto from the Naruto series!"
}