Examine source code of Dropkick Murphys

{
  "theme": {
    "images": {
      "theme_frame": "dropkick.png"
    },
    "colors": {
      "frame": "#38ba14",
      "tab_background_text": "#fc8608"
    }
  },
  "version": "2.0",
  "name": "Dropkick Murphys",
  "manifest_version": 2,
  "description": "Dropkick Murphys"
}