Examine source code of WaterF0x

{
  "theme": {
    "images": {
      "theme_frame": "Waterwolfiex200.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "WaterF0x",
  "manifest_version": 2,
  "description": "A beautiful recolour of the firefox logo, done by a friend of mine. I thought it would make a perfect persona for use on the go, as it's simple and unobtrusive."
}