body {
  font-family: Arial, sans-serif;
  background-color: #f4f6f8;
  padding: 20px;
}

h1 {
  text-align: center;
  color: #1a237e;
}

.card {
  background: white;
  padding: 15px;
  margin: 15px auto;
  border-radius: 8px;
  width: 320px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.score {
  font-size: 22px;
  font-weight: bold;
  color: #d32f2f;
}