Examine source code of ninja firefox fox

{
  "theme": {
    "images": {
      "theme_frame": "ninjafoxtop.PNG"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "ninja firefox fox",
  "manifest_version": 2,
  "description": "ninja firefox fox , cute dangerous ninja firefox fox highly trained killer firefox ninja cool star orange fire trow lines design!! enjoy !!"
}