.header-visible {
  top: 0;
  -webkit-transition: top .6s ease-out 0s;
  transition: top .6s ease-out 0s; }

.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 3; }

.header-hidden {
  top: -124px;
  -webkit-transition: top .6s ease-out 0s;
  transition: top .6s ease-out 0s; }

@media only screen and (max-width: 960px) {
  .primaryMenu {
    height: auto;
    overflow-y: scroll; }
  .headerNav.isVisible {
    height: auto;
    max-height: 480px;
    overflow-y: auto; } }