front_end/panels/protocol_monitor/protocolMonitor.css

/*
 * Copyright 2021 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

.protocol-monitor .protocol-monitor-toolbar {
  border-bottom: 1px solid var(--sys-color-divider);
}

.protocol-monitor .protocol-monitor-bottom-toolbar {
  border-top: 1px solid var(--sys-color-divider);
}