Examine source code of Peter Griffin

{
  "name": "banner",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "banner.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(137, 69, 145, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(138, 74, 145, 1)",
      "toolbar_field_text": "rgba(88, 160, 196, 1)"
    }
  }
}