Examine source code of Green Hornet

{
  "theme": {
    "images": {
      "theme_frame": "BrowserHeaderGreenHornet.jpg"
    },
    "colors": {
      "frame": "#969191",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Green Hornet",
  "manifest_version": 2,
  "description": "I created this persona using a green gradiant and then using a yellow boarder around the edge and then put in the Green Hornet Logo from the comic books"
}