chrome/browser/resources/extensions/extension_error_overlay.css

/* Copyright 2013 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. */

#extension-error-overlay {
  max-width: 100%;
}

#extension-error-overlay .content-area {
  display: flex;
  flex-direction: column;
}

#extension-error-overlay .extension-error-list {
  border: 1px solid #ccc;
  margin-bottom: 3px;
  min-height: 48px;
  overflow-y: auto;
}

.extension-error-overlay-runtime-content {
  flex: none;
}

#extension-error-overlay .extension-code-highlighted-source {
  background-color: rgba(255, 195, 200, 255);
}

#extension-error-overlay-code {
  font-size: 1.2em;
  margin-bottom: 10px;
}

#extension-error-overlay .extension-code-source {
  color: #555;
}

.extension-error-overlay-context {
  font-size: 1.1em;
  margin-bottom: 10px;
}

.extension-error-overlay-stack-trace-list {
  list-style-type: none;
  padding: 0;
}

.extension-error-overlay-stack-trace summary {
  cursor: pointer;
  font-size: 1.1em;
  outline: none;
}

.extension-error-overlay-stack-trace summary::-webkit-details-marker {
  font-size: 1em;
}

.extension-error-overlay-stack-trace-list li {
  -webkit-padding-start: 10px;
  background-color: white;
  cursor: pointer;
  padding-bottom: 6px;
  padding-top: 6px;
}

.extension-error-overlay-stack-trace-list li:hover {
  background-color: #eee;
}

.extension-error-overlay-stack-trace-list li.extension-error-active {
  background-color: rgba(0, 100, 255, 0.1);
}