Examine source code of Mozzila Firefox

{
  "theme": {
    "images": {
      "theme_frame": "firefox.JPG"
    },
    "colors": {
      "frame": "#ff5100",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mozzila Firefox",
  "manifest_version": 2,
  "description": "I thought seen as there are quite a few firefox browser skins i would try make one just for fun and see how it turns out. "
}