Examine source code of players club

{
  "name": "players club",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "twitter.png"
    },
    "colors": {
      "frame": "rgba(145, 177, 250, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b34f2a6-06e2-432c-bb56-931f568d7fb2}"
    }
  }
}