Examine source code of IcyFoxy

{
  "name": "fox",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "icyfoxy.png"
    },
    "colors": {
      "frame": "rgba(9, 0, 255, 0.7)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 255, 242, 0.41)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 255, 60, 0.49)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 255, 230, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{40a46e41-b679-48ea-b732-855d1466966c}"
    }
  }
}