Examine source code of Berge hier

{
  "theme": {
    "images": {
      "theme_frame": "oben.jpg"
    },
    "colors": {
      "frame": "#5b0ac4",
      "tab_background_text": "#b1e1f5"
    }
  },
  "version": "2.0",
  "name": "Berge hier",
  "manifest_version": 2,
  "description": "for meinereiner"
}