Examine source code of Fire Fox Nebula

{
  "theme": {
    "images": {
      "theme_frame": "FireFoxNebula.jpg"
    },
    "colors": {
      "frame": "#ffe600",
      "tab_background_text": "#ffe600"
    }
  },
  "version": "2.0",
  "name": "Fire Fox Nebula",
  "manifest_version": 2,
  "description": "Fire Fox Nebula is a Background desktop image I found for fire fox on the net. I had to make a personas of it as soon as I saw it."
}