chrome-devtools-frontend/inspector_overlay/tool_screenshot.css

Chrome DevTools UI

/*
 * 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.
 */

body {
  cursor: crosshair;
}

#zone {
  background-color: #0003;
  border: 1px solid #fffd;
  display: none;
  position: absolute;
}