Examine source code of Parramatta Eels (NRL)

{
  "name": "Parramatta Eels (NRL)",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "eels.svg"
    },
    "colors": {
      "frame": "rgba(0, 45, 113, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 26, 66, 0.7)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 26, 66, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(251, 184, 27, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d8fe5657-73bc-43c9-8c77-6508cd0c6c09}"
    }
  }
}