body {
  font-family: Arial, sans-serif;
  background-color: #f0f4f8;
  color: #333;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 600px;
  margin: 80px auto;
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
h1 {
  color: #111;
}