a {
  color: inherit;
  text-decoration: inherit; }

button,
input[type=button],
input[type=submit] {
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap; }

input[type=checkbox]:focus {
  box-shadow: 0 0 1px 1px green; }

iframe {
  height: 300px;
  width: 100%; }

div.popup {
  background-color: white;
  border: 1px solid white;
  color: #444;
  position: fixed;
  z-index: calc(var(--z-index) + 5); }
  div.popup > article {
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc; }
    div.popup > article > header {
      cursor: pointer;
      margin: -1px; }

a.auto-redirect, button.auto-refresh {
  display: none; }

b, strong, th {
  font-weight: 500; }

.hidden {
  display: none; }