body {
  text-align: center;
}

p#info {
  font-size: 2rem;
}

div#record {
  overflow-wrap: break-word;
}

div#board table {
  margin: 0 auto;
  background: black;
}

div#board td {
  background: #008800;
  height: 3rem;
  width: 3rem;
  font-size: 2rem;
  font-family: monospace;
}

div#board .white::before {
  content: "●";
}

div#board .black::before {
  content: "●";
}

div#board .white {
  color: white;
}

div#board .black {
  color: black;
}