customizeToolbar.css

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

@import url("chrome://messenger/skin/shared/customizeToolbar.css");

#palette-box {

  margin: 2px 6px 10px;

#titlebarSettings {

  margin-inline-start: 6px;

  :root[toolboxId="mail-toolbox"] & {

    display: flex;

hbox button {

  font: menu;

#main-box > box > button {

  font: message-box;