.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
  font-weight: 700;
}

.navbar-nav .nav-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
  color: #000000;
  font-weight: bold;
}

.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
  color: #800000;
}