Examine source code of Slotracing SlotingPlus

{
  "theme": {
    "images": {
      "theme_frame": "persona_SlotingPlus.png"
    },
    "colors": {
      "frame": "#9a0000",
      "tab_background_text": "#d9d6d6"
    }
  },
  "version": "2.0",
  "name": "Slotracing SlotingPlus",
  "manifest_version": 2,
  "description": "for all SlotingPlus-Slotracing-Fans"
}