@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;
  }
}