Examine source code of winter 6164

{
  "theme": {
    "images": {
      "theme_frame": "169369-top_foto2-nfvxe.jpg"
    },
    "colors": {
      "frame": "#fff7f7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "winter 6164",
  "manifest_version": 2
}