Examine source code of Breeze Dark (clean)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Breeze Dark (clean)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(49, 54, 59)",
      "toolbar_text": "rgb(252, 252, 252)",
      "frame": "rgb(27, 30, 32)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(27, 30, 32)",
      "toolbar_field_text": "rgb(252, 252, 252)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(27, 30, 32)",
      "popup_text": "rgb(242, 242, 242)",
      "frame_inactive": "rgb(22, 25, 27)",
      "ntp_background": "rgb(27, 30, 32)",
      "popup_border": "rgb(100, 104, 107)",
      "popup_highlight": "rgb(61, 174, 233)",
      "tab_selected": "rgb(69, 72, 76)",
      "toolbar_field_border_focus": "rgb(61, 174, 233)",
      "toolbar_field_highlight": "rgb(61, 174, 233)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1f83328e-c4a3-4a4e-bf05-e70d7d6a158e}"
    }
  }
}