sidebar-tab-row.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/. */

#fxview-tab-row-secondary-button {

  visibility: hidden;

  :host(:hover) & {

    visibility: visible;

    justify-self: end;

.no-action-button-row {

  grid-column: span 7;