Examine source code of the who design

{
  "theme": {
    "images": {
      "theme_frame": "headerwho.jpg"
    },
    "colors": {
      "frame": "#000721",
      "tab_background_text": "#000721"
    }
  },
  "version": "2.0",
  "name": "the who design",
  "manifest_version": 2,
  "description": "the who"
}