Examine source code of Chrome and Wood

{
  "theme": {
    "images": {
      "theme_frame": "BCnWHeaderb0.jpg"
    },
    "colors": {
      "frame": "#c4c4c4",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Chrome and Wood",
  "manifest_version": 2,
  "description": "Just some chrome, ebony and black marble.\nDesigned to be used without the menu bar, and tabs on top, so that the horizontal chrome line sits under the tabs."
}