.navbar-brand {
    font-size: 1.4em;
  }
  .navbar-dark .navbar-nav a.nav-link {
    color: #ffffff;
    font-size: 1.1em;
  }
  .dropdown-menu {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    border: none;
    border-radius: 0;
    padding: 0.7em;
    background-color: #000;
  }
  @media only screen and (min-width: 992px) {
    .dropdown:hover .dropdown-menu {
      display: flex;
    }
    .dropdown-menu.show {
      display: flex;
    }
  }
  .dropdown-menu ul {
    list-style: none;
    padding: 0;
  }
  .dropdown-menu li .dropdown-item {
    color: gray;
    font-size: 1em;
    padding: 0.5em 1em;
  }
  .dropdown-menu li .dropdown-item:hover {
    background-color: #f1f1f1;
  }
  .dropdown-menu li:first-child a {
    font-weight: bold;
    font-size: 1.1em;
    text-transform: uppercase;    
  }
  .dropdown-menu li:first-child a:hover {
    background-color: #f1f1f1;
  }
  @media only screen and (max-width: 992px) {
    .dropdown-menu.show {
      flex-wrap: wrap;
      max-height: 350px;
      overflow-y: scroll;
    }
  }
  @media only screen and (min-width: 992px) and (max-width: 1140px) {
    .dropdown:hover .dropdown-menu {
      width: 40vw;
      flex-wrap: wrap;
    }
  }
  
  .dropdown-menu {
    border-radius: 0;
    border: none;
    padding: 0.5em;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.23);
  }
  .dropdown-menu ul {
    list-style: none;
    padding: 0;
  }
  
  .dropdown-menu li a {
    color: gray;
    padding: 0.5em 1em;
  }
  .dropdown-menu li:first-child a {
    font-weight: bold;
    font-size: 1.1em;    
  }
  @media screen and (min-width: 993px) {
    .dropdown:hover .dropdown-menu {
      display: flex;
    }
    .dropdown-menu.show {
      display: flex;
    }
  }
  @media screen and (max-width: 992px) {
    .dropdown-menu.show {
      max-height: 60vh;
      overflow-y: scroll;
    }
  }