/* CSS styles for the navigation bar */
body {
  font-family: Arial, sans-serif;
  margin: 20px;
}
.navbar {
  background-color: #336699;
  padding: 10px;
  text-align: center;
  border-radius: 4px;
}
.navbar a {
  color: #fff;
  text-decoration: none;
  margin: 0 10px;
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  background-color: #4499cc;
}
.navbar a:hover {
  background-color: #336699;
}
.navbar a.active {
  background-color: #fff;
  color: #336699;
}