Examine source code of Mozilla Blur

{
  "theme": {
    "images": {
      "theme_frame": "Blur.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mozilla Blur",
  "manifest_version": 2,
  "description": "An Awesome Blur of Mozilla Colors. I didnt just take a picture of mozilla, and blur it. It's much...more."
}