body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f0f4f7;
  color: #333;
}

header {
  background-color: #004d66;
  color: white;
  padding: 20px 0;
  text-align: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 15px;
  padding: 0;
  margin: 0;
}

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

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 20px;
  max-width: 1000px;
  margin: auto;
}

section {
  margin-bottom: 40px;
}

footer {
  text-align: center;
  padding: 15px;
  background-color: #e0e0e0;
}