@media (min-width: 768px) {
  .nav-collapse.collapse {
    height: auto !important;
    overflow: visible !important;
  }
}

@media (max-width: 979px) {
  .nav-collapse .nav>li {
    float: left;
  }
  .nav-collapse .nav > li > a {
    margin-bottom: 0px;
  }
}