Examine source code of Storm by Mechatour

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Storm by Mechatour",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(4, 4, 8)",
      "toolbar_text": "rgb(207, 207, 212)",
      "frame": "rgb(4, 4, 8)",
      "tab_background_text": "rgb(207, 207, 212)",
      "toolbar_field": "rgb(39, 39, 43)",
      "toolbar_field_text": "rgb(227, 227, 231)",
      "tab_line": "rgb(112, 112, 116)",
      "popup": "rgb(4, 4, 8)",
      "popup_text": "rgb(207, 207, 212)",
      "tab_loading": "rgb(112, 112, 116)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{72fcc796-191b-4a14-ad40-013d8aa9a5c6}"
    }
  }
}