Examine source code of Broke Glass

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#d2edfa"
    }
  },
  "version": "2.0",
  "name": "Broke Glass",
  "manifest_version": 2,
  "description": "This is an image of a simple broken window or sheet of glass. Simple, yet it has depth that will make your browser theme interesting to see everyday. The files are at a 300 resolution, but are still very small in size so your browser will open quickly and your system is not dragged down with over-sized files."
}