* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f0f0f0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

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

.game {
  text-align: center;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  grid-template-rows: repeat(3, 100px);
  margin-bottom: 20px;
}

.cell {
  background-color: #fff;
  border: 2px solid #333;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.2s;
}

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

.status {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: green;
}

button {
  padding: 10px 140px;
  font-size: 1rem;
  background-color: blue;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: blue;
}