Examine source code of rotesa

{
  "theme": {
    "images": {
      "theme_frame": "Bild2.jpg"
    },
    "colors": {
      "frame": "#0b03fa",
      "tab_background_text": "#08fae2"
    }
  },
  "version": "2.0",
  "name": "rotesa",
  "manifest_version": 2,
  "description": "rote Blume"
}