.nav-tabs>li>a {
  background-color: #f7f7f7;
  color: #999;
  border-color: #f7f7f7 #f7f7f7 #ddd;
}

.nav-tabs>li:first-of-type { margin-left: 15px; }

.nav-link:empty {
  display: none;
}

.navbar-toggler hr {
  border-top: 4px solid black;
  margin: 2.5px;
}

.nav-pills .nav-link.active a, .nav-pills .show>.nav-link a {
  color: #fff;
}

.dropdown-toggle.no-arrow:after {
  display: none;
}

.dropdown:not(.no-hover):hover>.dropdown-menu {
  display: block;
}


.hidden {
  display: none;
}

.clearfix {
  clear: both;
}