Examine source code of Ice sea

{
  "theme": {
    "images": {
      "theme_frame": "Icesea.jpg"
    },
    "colors": {
      "frame": "#cacaca",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ice sea",
  "manifest_version": 2,
  "description": "winter talvi snow lunta nature luonto maisema talvimaisen scene landscape sea meri cold kylmä freezy freez hyytävä"
}