body {
  font-family: sans-serif;
  text-align: center;
  margin-top: 50px;
  background: #141630;
  color: white;
}

#board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  gap: 5px;
  justify-content: center;
  margin: 20px auto;
}

.cell {
  width: 100px;
  height: 100px;
  background-color: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  cursor: pointer;
  border: 2px solid #ccc;
}

.cell:hover {
  background-color: #e0e0e0;
}

button {
  margin-top: 10px;
  padding: 10px 20px;
  font-size: 1em;
}
.x {
  color: red;
}

.o {
  color: blue;
}