body { font-family: Lucida Console, Monospace; }
.navbar {
  display: flex;
  justify-content: space-evenly;
  border-bottom: 1px solid #ccc;
  padding: 0.75rem 0;
  margin-bottom: 2rem;
}
.navbar a {
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
  color: #333;
  padding-bottom: 0.25rem;
}
.navbar a.active, .navbar a:hover { border-bottom: 2px solid #333; }