.navbar-default .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.2s ease, background-color 0.2s ease;
  border-radius: 4px;
}

.navbar .navbar-nav .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.navbar-default .navbar-brand {
  color: #ffffff;
  letter-spacing: 3px;
}

.navbar-default .navbar-brand:hover {
  color: rgba(255, 255, 255, 0.8);
}