Examine source code of Promethean Fire

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxPersona-PrometheanFire.jpg"
    },
    "colors": {
      "frame": "#b00a0a",
      "tab_background_text": "#737373"
    }
  },
  "version": "2.0",
  "name": "Promethean Fire",
  "manifest_version": 2,
  "description": "INFERNAL DEATH METAL\nstolen from the Gods and brought to Man\nBY PROMETHEAN HAND"
}