body {
  text-align: center;
  background: url('i/pokemon-bg.jpg');
  background-size: cover;
}

#board {
  width: 475px;
  height: 532px;
  margin: 0 auto;
  background-color: whitesmoke;
  border: 3px solid lightgrey;

  user-select: none;
  -moz-user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.card {
  width: 90px;
  height: 128px;
  margin: 2.5px;

  user-select: none;
  -moz-user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}