body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #282c34;
  color: white;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-gap: 10px;
}

.square {
  background-color: #61dafb;
  border: 2px solid #000;
  font-size: 24px;
  font-weight: bold;
  width: 100px;
  height: 100px;
  cursor: pointer;
}

.square:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.status {
  margin-bottom: 20px;
  font-size: 24px;
}

.restart {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 18px;
  cursor: pointer;
}