Examine source code of Muddin

{
  "theme": {
    "images": {
      "theme_frame": "muddcopy.jpg"
    },
    "colors": {
      "frame": "#0009ff",
      "tab_background_text": "#3de007"
    }
  },
  "version": "2.0",
  "name": "Muddin",
  "manifest_version": 2
}