Examine source code of the eleventh day

{
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  "version": "1.0",
  "name": "the eleventh day",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(16, 32, 66)",
      "toolbar_text": "rgb(138, 180, 68)",
      "frame": "rgb(106, 42, 68)",
      "tab_background_text": "rgb(87, 128, 192)",
      "toolbar_field": "rgba(250, 208, 168, 0)",
      "toolbar_field_text": "rgb(138, 180, 68)",
      "tab_line": "rgb(138, 180, 68)",
      "popup": "rgb(106, 42, 68)",
      "popup_text": "rgb(87, 128, 192)",
      "tab_loading": "rgb(138, 180, 68)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ac12c53-e860-441e-ad57-35841c9e4f94}"
    }
  }
}