/* 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 https://mozilla.org/MPL/2.0/. */ .sidebar-panel-header { display: flex; justify-content: space-between; align-items: center; -moz-context-properties: fill; fill: currentColor; font-size: 15px; .header-close-button::part(button) { background-image: url("chrome://global/skin/icons/close-12.svg"); } h4 { margin-block: var(--space-large); font-size: var(--font-size-large); } }