Examine source code of FSG Preetz

{
  "theme": {
    "images": {
      "theme_frame": "header2.jpg"
    },
    "colors": {
      "frame": "#0a0909",
      "tab_background_text": "#0a0909"
    }
  },
  "version": "2.0",
  "name": "FSG Preetz",
  "manifest_version": 2,
  "description": "Logo des FSG Preetz"
}