Examine source code of Gumpert

{
  "theme": {
    "images": {
      "theme_frame": "Gumpert-Personas-oben1.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#f7e70a"
    }
  },
  "version": "2.0",
  "name": "Gumpert",
  "manifest_version": 2,
  "description": "Gumpert Apollo"
}