body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 50px;
}
#status {
  margin-bottom: 10px;
  font-size: 1.2em;
  min-height: 1.5em;
}
.board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-gap: 5px;
  margin-bottom: 20px;
}
.cell {
  width: 100px;
  height: 100px;
  border: 1px solid #ccc;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  cursor: pointer;
}