body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f5f5;
}
.navbar {
  list-style: none;
  display: flex;
  background: #004080;
  padding: 0;
  margin: 0;
}
.navbar li {
  margin: 0;
}
.navbar a {
  display: block;
  padding: 12px 20px;
  text-decoration: none;
  color: white;
}
.navbar a:hover {
  background: #00264d;
}
.container {
  padding: 20px;
}