Examine source code of Lost In The Blizzards

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Lost In The Blizzards",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0.83)",
      "toolbar_text": "rgb(109, 232, 255)",
      "frame": "rgb(14, 41, 65)",
      "tab_background_text": "rgb(24, 156, 180)",
      "toolbar_field": "rgb(33, 62, 89)",
      "toolbar_field_text": "rgb(126, 224, 244)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgb(68, 226, 255)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b4a081b-7ed3-4f47-8b12-a6f316df9762}"
    }
  }
}