Examine source code of dragon flame firefox

{
  "theme": {
    "images": {
      "theme_frame": "dragonfirefoxheaderupdatelowres.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#f5bc00"
    }
  },
  "version": "2.0",
  "name": "dragon flame firefox",
  "manifest_version": 2,
  "description": "dragon flame firefox !! this took me ages to make ,flames fire heat fireball amazing stunning,hope you like ! (minor edit to flame )"
}