Examine source code of Iceberg frozen

{
  "theme": {
    "images": {
      "theme_frame": "snowlandscapeheader3.jpg"
    },
    "colors": {
      "frame": "#ebb56a",
      "tab_background_text": "#ebb56a"
    }
  },
  "version": "2.0",
  "name": "Iceberg frozen",
  "manifest_version": 2,
  "description": "Iceberg in the ocean."
}