Examine source code of BloodPlus Dressed to Kill

{
  "theme": {
    "images": {
      "theme_frame": "dressedtokill.jpg"
    },
    "colors": {
      "frame": "#e892db",
      "tab_background_text": "#c41212"
    }
  },
  "version": "2.0",
  "name": "BloodPlus Dressed to Kill",
  "manifest_version": 2,
  "description": "Finally, a decent Blood+ persona for your Firefox. Starring Saya and Hagi."
}