* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.header .title {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 20px;
}

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

.box {
  width: 100px;
  height: 100px;
  background-color: #e0e0e0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: bold;
  color: #333;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.box:hover {
  background-color: #d0d0d0;
}

.box[data-value="X"] {
  color: #ff4d4d;
}

.box[data-value="O"] {
  color: #4d79ff;
}
.reset {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 18px;
  font-weight: bold;
  color: #fff;
  background-color: #b5b0b0;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.reset:hover {
  background-color: #665e5e;
  transform: translateY(-2px);
}