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

header {
  background-color: #333;
  color: white;
  padding: 1rem;
  text-align: center;
}

main {
  padding: 20px;
  line-height: 1.6;
}

h1, h2 {
  color: #333;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 20px;
}

footer {
  text-align: center;
  background-color: #333;
  color: white;
  padding: 1rem 0;
}