Killercoda Dark by penguintamer

/* ==UserStyle==
@name           killercoda.com dark
@namespace      https://github.com/penguintamer
@version        1.4.0
@description    Darken the jarring light backgrounds on Killercoda
@author         penguintamer
@license        GPL-3.0-or-later
@supportURL     https://github.com/penguintamer/userstyle-killercoda-dark/issues
==/UserStyle== */

@-moz-document domain("killercoda.com") {
  :root{
    /* override vars */
    --primary-color:#000;
    --secondary-color:#000;
    --gradient-color:#222;
    --body-color:#9b9b9b;
    --second-accent:#32191a;
    --ckad-color-blue:#407af4;
  }
  html,
  body {
    background-color: black;
    color: #d2d7dc;
  }
  div>h2.headerSecond,
  .scenario-content .scenario-content-header h2,
  a.result.result h2 {
    background-color: #444;
    color: #ccc
  }
  div.header-wrapper {
    background-color: #222 !important;
  }
  div.split,
  div.content-wrap,
  .wrapper {
    background-color: black;
    color: lightgrey;
  }
  code.click-copy {
    background-color: #444 !important;
    color: white !important;
    border: 1px solid grey;
  }
  div.card-body,
  div.search-more button.btn.search-more-action {
    background-color: #222;
    color: white !important;
  }
  a.card.existing:not(.killercoda) div.card-body img {
    filter: invert() hue-rotate(180deg);
  }
  a.card,
  a.result {
    border: 1px solid grey !important;
    background-color: #222 !important;
    border: 1px solid grey;
    color: white !important;
  }
  pre {
    filter: invert();
  }
  input.form-control,
  input.form-control.search-phrase,
  .custom-select {
    background-color: #222;
    color: white;
  }
  .text-dark {
    color: #b5bcc4 !important;
  }
  .table {
    color: #d2d7dc;
  }
  table.table tr.rapid.rapid {
    background-color: #111;
  }
  .table code,
  code.copy-on-click,
  code {
    color: #6a95b4;
  }
  .table td {
    border-top-color: #1a1d1f;
    border-bottom-color: #1a1d1f;
  }
  .alert-info {
    background-color: #051c1c;
    border-color: #002429;
    color: #72b0bd;
  }
}