.tx-productdatabase .panel-group { margin-top: 48px; }

.nav-link, .nav-link:hover { background: #ebebeb; padding: 10px 20px;} 
.nav-tabs { padding: 0; margin-bottom: 32px; border-bottom: 1px solid #000; }
.nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active, .nav-tabs .nav-item, .nav-link {
  font-size: 1.25rem;
  border: none !important;
  margin: 0;
  text-transform: uppercase;
  color: #878787;
  transition: .5s;
}
.nav-tabs .nav-link.active, .nav-tabs .nav-link:hover {background: #ebebeb; padding: 10px 20px; }
.nav-tabs .nav-link.active {background: #013759; color: #fff !important;}

@media (max-width: 480px) { 
  .nav-item { width: 100%; }
  .nav-link { background: #ebebeb; padding: 10px 20px; border-radius: 0 !important;}  
}