Examine source code of Microsoft Mica Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Microsoft Mica Dark",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(32, 32, 32)",
      "tab_background_text": "rgb(227, 227, 227)",
      "toolbar_field": "rgba(128, 128, 128, 0.15)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(128, 128, 128, 0.15)",
      "popup": "rgb(46, 46, 46)",
      "popup_text": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(32, 32, 32)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(39, 39, 39)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(46, 46, 46)",
      "sidebar": "rgb(32, 32, 32)",
      "tab_loading": "rgb(0, 164, 234)",
      "tab_selected": "rgba(128, 128, 128, 0.15)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(0, 164, 234)",
      "toolbar_field_border": "rgba(128, 128, 128, 0.2)",
      "toolbar_field_focus": "rgb(46, 46, 46)",
      "toolbar_field_highlight": "rgb(0, 164, 234)",
      "toolbar_field_separator": "rgba(0, 0, 0, 0)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "toolbar_vertical_separator": "rgba(34, 25, 77, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{49f86797-de0c-42be-a622-aaf90fda985e}"
    }
  }
}