Examine source code of Clube dos 13

{
  "theme": {
    "images": {
      "theme_frame": "persona_13_head.jpg"
    },
    "colors": {
      "frame": "#f1c43a",
      "tab_background_text": "#498345"
    }
  },
  "version": "2.0",
  "name": "Clube dos 13",
  "manifest_version": 2
}