chromium/ui/webui/examples/resources/browser/index.css

/* Copyright 2023 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file. */

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
 }

#navbar {
  display: flex;
  flex: none;
}

#navbar #address {
  flex: 1;
}

webview {
  display: flex;
  flex-direction: column;

  flex: 1;
}