body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #0077b5;
  color: white;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
}

main {
  margin-top: 20px;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
}

h1 {
  margin: 0;
}