body {
  margin: 0;
  font-family: Arial, sans-serif;
}

header {
  background: #0a2540;
  color: white;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: white;
  margin-left: 15px;
  text-decoration: none;
}

.hero {
  padding: 60px;
  text-align: center;
  background: #f5f5f5;
}

footer {
  background: #0a2540;
  color: white;
  text-align: center;
  padding: 10px;
}