header {
  text-align: center;
  font-size: 60px;
  width: 324px;
}

hr {
  width: 324px;
  margin-left: 0;
}

.scoreboard {
  display: flex;
  text-align: center;
  align-items: center;
  width: 324px;
  font-size: 30px;
}

.scoreboard .side {
  width: 150px;
}

.statusboard {
  text-align: center;
  font-size: 30px;
  width: 324px;
}

.gameboard {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  gap: 12px;
  background-color: black;
  width: 324px;
}

.gameboard button {
  height: 100px;
  width: 100px;
  background-color: white;
  border: none;
  font-size: 3rem;
}

.gameboard button:disabled {
  color: black;
}