body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fefefe;
  color: #333;
}

header {
  background-color: #0077cc;
  color: white;
  padding: 1rem;
}

header h1 {
  margin: 0;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
}

main {
  padding: 2rem;
}

section {
  margin-bottom: 2rem;
}

footer {
  background-color: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}