Examine source code of Windows 10 Red Carpet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Windows 10 Red",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(245, 246, 247)",
      "toolbar_text": "rgb(152, 152, 152)",
      "frame": "rgb(97, 26, 20)",
      "tab_background_text": "rgb(153, 153, 153)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(78, 38, 35)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgba(0, 120, 215, 0.25)",
      "button_background_hover": "rgba(152, 152, 152, 0.25)",
      "frame_inactive": "rgb(255, 255, 255)",
      "icons_attention": "rgb(0, 120, 215)",
      "icons": "rgb(152, 152, 152)",
      "popup_border": "rgba(0, 120, 215, 0.25)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgba(0, 120, 215, 0.5)",
      "sidebar_border": "rgba(0, 120, 215, 0.25)",
      "sidebar_highlight_text": "rgb(0, 0, 0)",
      "sidebar_highlight": "rgba(0, 120, 215, 0.5)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(245, 246, 247)",
      "tab_background_separator": "rgb(78, 38, 35)",
      "tab_selected": "rgb(154, 39, 31)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(191, 221, 245)",
      "toolbar_field_border_focus": "rgb(0, 120, 215)",
      "toolbar_field_border": "rgba(0, 120, 215, 0.25)",
      "toolbar_field_focus": "rgb(255, 255, 255)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgba(0, 120, 215, 0.25)",
      "toolbar_field_separator": "rgba(0, 120, 215, 0.25)",
      "toolbar_field_text_focus": "rgb(0, 0, 0)",
      "toolbar_top_separator": "rgba(0, 120, 215, 0.25)",
      "toolbar_vertical_separator": "rgba(0, 120, 215, 0.25)",
      "tab_loading": "rgb(78, 38, 35)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2d20b76-0639-4cbe-a6b5-7b1f131bb0ce}"
    }
  }
}