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

nav {
  background-color: #142b70;
}

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

nav ul li {
  margin: 0 15px;
}

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

main {
  padding: 20px;
}