third_party/devtools/front_end/source_frame/xmlView.css

/*
 * Copyright (c) 2014 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.
 */

.shadow-xml-view {
    -webkit-user-select: text;
    overflow: auto;
    padding: 2px 4px;
}