src/tracing/overlay.css

/* Copyright (c) 2012 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. */

.overlay-root {
  -webkit-box-align: stretch;
  -webkit-box-orient: horizontal;
  -webkit-box-pack: center;
  -webkit-user-select: none;
  background: rgba(0, 0, 0, 0.8);
  display: -webkit-box;
  height: 100%;
  left: 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.overlay-root:not([visible]),
.overlay:not([visible]) {
  display: none;
}

.overlay-root > .content-host {
  -webkit-box-align: stretch;
  -webkit-box-orient: vertical;
  -webkit-box-pack: center;
  -webkit-user-select: auto;
  display: -webkit-box;
}

.overlay-root > .content-host > * {
  background: rgb(255, 255, 255);
}