Examine source code of Monster Energy Dirty

{
  "theme": {
    "images": {
      "theme_frame": "MonsterHEAD.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#62ff00"
    }
  },
  "version": "2.0",
  "name": "Monster Energy Dirty",
  "manifest_version": 2,
  "description": "'Monster Energy [Dirty]'\n\nMy first attempt at making a Firefox Persona"
}