.board, .card {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  width: 250px;
  list-style: none;
}

.board {
  height: 800px;
}

.card {
  height: 302px;
}

.board li, .card li {
  width: 50px;
  height: 50px;
  background: #ccc;
  color: #eee;
  text-align: center;
  font-size: 24px;
  line-height: 45px;
  font-weight: bold;
  border: 1px solid white;
}

.card li a {
  color: #eee;
}

.card li a:hover {
  color: #fff;
}

.board li.header, .card li.header {
  background: black;
}

.board li.selected, .card li.selected {
  background: blue;
  color: white;
}

.share-container {
  margin-bottom: 10px;
}