/* 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/. */ .notificationbox-stack { width: 100%; /* Prevent the animation from overlapping the navigation toolbar */ overflow: clip; &[notificationside="top"] { /* Create a stacking context for the box-shadow */ position: relative; z-index: 1; } } notification-message.animated { transition: margin-top 300ms var(--animation-easing-function), opacity 300ms var(--animation-easing-function); }