Examine source code of Electric Red-Dark

{
  "manifest_version": 3,
  "version": "5.2",
  "name": "Electric Red Dark",
  "author": "Vito Ferri",
  "developer": {
    "name": "Vito Ferri",
    "url": "https://github.com/VitoFe"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5d266402-4868-4f0c-b650-fd2d17c3a757}"
    }
  },
  "icons": {
    "32": "icons/icon-32.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "theme": {
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    },
    "colors": {
      "bookmark_text": "#FFFFFF",
      "frame": "#0C0E14",
      "frame_inactive": "#0C0E14",
      "ntp_background": "#150D0D",
      "ntp_text": "#FFFFFF",
      "tab_text": "#FFFFFF",
      "tab_background_text": "#CCCCCC",
      "toolbar": "#150D0D",
      "sidebar": "#0C0E14",
      "sidebar_text": "#FFFFFF",
      "toolbar_field": "#0C0E14",
      "toolbar_field_border": "#FF000030",
      "toolbar_field_border_focus": "#FF0000",
      "toolbar_field_highlight": "#FF000030",
      "toolbar_field_text": "#FF0000",
      "toolbar_top_separator": "#150D0D",
      "tab_line": "#FF0000",
      "tab_loading": "#FF0000",
      "tab_selected": "#150D0D",
      "popup": "#0C0E14",
      "popup_highlight": "#FF0000",
      "popup_highlight_text": "#FFFFFF",
      "popup_text": "#FFFFFF",
      "button_background_active": "#FF0000",
      "button_background_hover": "#FF000030"
    }
  }
}