:root {
  color-scheme: light dark;
}

.container {
  max-width: 40rem;
  margin: 0 auto;
}

.small {
  font-size: 80%;
}

.align-left {
  text-align: left;
}
.align-center {
  text-align: center;
}
.align-right {
  text-align: right;
}

.pull-right {
  float: right;
}

a {
  margin: 0 -2px;
  padding: 0 2px;
  background: color-mix(in srgb, LinkText 5%, transparent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

pre {
  white-space: pre-wrap;
  border: 1px solid;
  padding: 0.5rem;
  font-size: 120%;
}

.usage,
.usage ul {
  padding: 0 0 0 1.5rem;
}

.usage > li {
  margin: 2rem 0;
}

.challenge-board {
  list-style: none;
  display: block;
  padding: 0;
  text-align: center;
}
.challenge-board li {
  display: inline-block;
  margin: 0.3em 0.5em;
  white-space: nowrap;
}
a.challenge,
a.challenge:hover {
  background: none;
}

.recent-games {
  width: 100%;
  margin-bottom: 2rem;
}
.recent-games td {
  vertical-align: baseline;
}
.recent-games .time {
  text-align: right;
}

blockquote {
  margin: 0;
  border: 1px solid;
  padding: 0.5rem;
  font-size: 120%;
}

blockquote p {
  margin: 0.5rem 0;
}

.pagination {
  display: flex;
  flex-flow: row;
}
.pagination p {
  flex: 1 0;
  margin-bottom: 0;
}

.chessboard {
  text-align: center;
}
.chessboard a,
.chessboard a:hover {
  background: transparent;
}
.chessboard img {
  max-height: 60vh;
  max-width: 100%;
}

.moves {
  line-height: 1.5;
}
.turn,
.turn strong,
.move {
  margin-right: 0.2rem;
}