Examine source code of Frost Flower

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Frost Flower",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(14, 157, 255, 0)",
      "toolbar_text": "rgb(24, 8, 56)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(24, 8, 56)",
      "toolbar_field": "rgb(243, 247, 253)",
      "toolbar_field_text": "rgb(24, 8, 56)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(243, 247, 253)",
      "popup_text": "rgb(24, 8, 56)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{703ab9da-7cd7-4139-9ef8-e75fb8589d33}"
    }
  }
}