@media (min-width:767px) {
  .navbar {
    padding:20px 0;
    -webkit-transition:background .5s ease-in-out,padding .5s ease-in-out;
    -moz-transition:background .5s ease-in-out,padding .5s ease-in-out;
    transition:background .5s ease-in-out,padding .5s ease-in-out;
  }
}