body {
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #f2f2f2;
  margin: 0;
}

h1 {
  color: #333;
  margin-bottom: 20px;
}

#game {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-template-rows: repeat(3, 100px);
  gap: 5px;
}

.cell {
  width: 100px;
  height: 100px;
  background-color: #fff;
  border: 2px solid #333;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.5em;
  cursor: pointer;
  transition: background-color 0.3s;
}

.cell:hover {
  background-color: #e6e6e6;
}

#status {
  margin-top: 20px;
  font-size: 1.2em;
}

button {
  margin-top: 15px;
  padding: 10px 20px;
  font-size: 1em;
  border: none;
  border-radius: 5px;
  background-color: #4caf50;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #45a049;
}