Examine source code of Mets

{
  "name": "Mets",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "new-york-mets-wallpapers-31256-2442890.jpg"
    },
    "colors": {
      "frame": "rgba(85, 87, 92, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(56, 55, 55, 1)",
      "bookmark_text": "rgba(145, 138, 138, 1)",
      "toolbar_field_text": "rgba(135, 135, 135, 1)"
    }
  }
}