body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  text-align: center;
  padding: 40px;
  color: #333;
}
.container {
  background-color: #fff;
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}