@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) div.nboutput.container div.output_area.stderr,
  body[data-theme="dark"] div.nboutput.container div.output_area.stderr {
    background: #4a1f28;
    color: #f6d7dd;
    border-left: 0.2rem solid #ff8fa3;
  }

  body:not([data-theme="light"]) div.nboutput.container div.output_area.stderr pre,
  body:not([data-theme="light"]) div.nboutput.container div.output_area.stderr .highlight,
  body[data-theme="dark"] div.nboutput.container div.output_area.stderr pre,
  body[data-theme="dark"] div.nboutput.container div.output_area.stderr .highlight {
    color: #f6d7dd;
  }

  body:not([data-theme="light"]) div.nboutput.container div.output_area.stderr .ansi-red-fg,
  body[data-theme="dark"] div.nboutput.container div.output_area.stderr .ansi-red-fg {
    color: #ffb3c1;
  }
}