gecko-dev/toolkit/content/aboutUrlClassifier.css

/* 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/. */

html {
  --aboutUrlClassifier-table-background: #ebebeb;
  background-color: var(--in-content-page-background);
}

body {
  margin: 40px 48px;
}

.major-section {
  margin-top: 2em;
  margin-bottom: 1em;
  font-size: large;
  text-align: start;
  font-weight: bold;
}

table {
  background-color: var(--aboutUrlClassifier-table-background);
  color: var(--in-content-text-color);
  font: message-box;
  text-align: start;
  width: 100%;
  border: 1px solid var(--in-content-border-color);
  border-spacing: 0px;
}

th, td {
  border: 1px solid var(--in-content-border-color);
  padding: 4px;
}

thead th {
  text-align: center;
}

th {
  text-align: start;
  background-color: var(--in-content-table-header-background);
  color: var(--in-content-selected-text);
}

th.column {
  white-space: nowrap;
  width: 0px;
}

td {
  text-align: start;
  border-color: var(--in-content-table-border-dark-color);
}

#provider-table > tbody > tr >  td:last-child {
  text-align: center;
}

#cache-table > tbody > tr >  td:last-child {
  text-align: center;
}

#debug-table, #cache-table {
  margin-top: 20px;
}

.options > .toggle-container-with-text {
  display: inline-flex;
}

button {
  margin-inline-start: 0;
  margin-inline-end: 8px;
}