Examine source code of Spirate - Firefox by - Dx

{
  "theme": {
    "images": {
      "theme_frame": "Spirate.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#919191"
    }
  },
  "version": "2.0",
  "name": "Spirate - Firefox by - Dx",
  "manifest_version": 2,
  "description": "for Spirate by Salva_dx\n\nAlias the_dx\n\nSaludos"
}