Examine source code of pogo

{
  "name": "pogo",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "login.jpg"
    },
    "colors": {
      "frame": "rgba(19, 78, 214, 1)",
      "tab_background_text": "rgba(76, 122, 212, 1)",
      "toolbar": "rgba(88, 191, 112, 1)",
      "bookmark_text": "rgba(163, 124, 124, 1)",
      "toolbar_field": "rgba(59, 54, 199, 1)",
      "toolbar_field_text": "rgba(15, 1, 1, 1)",
      "tab_line": "rgba(89, 222, 31, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{be50b8a1-8c2c-45ec-98a7-e9dffdaa88f4}"
    }
  }
}