Examine source code of frozen snow

{
  "theme": {
    "images": {
      "theme_frame": "frozensnow.jpg"
    },
    "colors": {
      "frame": "#c9d8f5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "frozen snow",
  "manifest_version": 2,
  "description": "the ground is frozen"
}