body {
  font-family: "Helvetica", "Arial", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f7f7f7;
}

header {
  background-color: #005bab;
  color: white;
  padding: 20px;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 15px;
}

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

main {
  padding: 20px;
}

section {
  margin-bottom: 40px;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

h2 {
  color: #005bab;
}

footer {
  text-align: center;
  padding: 10px;
  background-color: #eee;
}