gecko-dev/dom/xml/resources/XMLPrettyPrint.css

@charset "UTF-8";
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

@import url("resource://content-accessible/viewsource.css");

#header {
  background-color: #ccc;
  border-bottom: 3px solid black;
  padding: 0.5em;
  margin-bottom: 1em;
}

#tree,
.expandable-children {
  margin-inline-start: 1em;
}

.expandable-body {
  display: inline-block;
}

.expandable-body[open] {
  display: block;
}

.expandable-opening {
  list-style: '+' outside;
}

[open] > .expandable-opening {
  list-style-type: '−';
}

.expandable-opening::marker {
  cursor: pointer;
  padding-inline-end: 2px;
  /* Don't want to inherit the styling from pi and comment elements */
  color: initial;
  font: initial;
}

.comment {
  font-family: monospace;
  white-space: pre;
}