nav.navbar-inverse {
  background-color: #2196F3;
  border-color: #2196F3;
}
nav.navbar-inverse .navbar-nav .active a, nav.navbar-inverse .navbar-nav .active a:hover {
  background-color: #64B5F6; 
}
nav.navbar-inverse .navbar-nav a:hover {
  background-color: #64B5F6; 
}