.dropdown-header {
  padding: 10px 15px;
  font-size: 0.85rem;
  color: #000;
  text-transform: uppercase;
  
  border-bottom: solid 1px gray;
  margin-bottom: 5px;
  font-weight: bold;
}

.dropdown-item:hover {
  background-color: red;
  color: #fff;
}

.customDropdown {
  display: inline-block;
}

.customDropdown #dropdownMenuButton {
  background-color: #fff;
  width: 214px;
  border: none;
  color: #000;
  border-radius: 0;
}

li a.dropdown-item.highlight {
   font-weight:bold;
}

.dropdown-item.highlight:hover {
  color: #000;
}

.customDropdown div.dropdown button#dropdownMenuButton
{
    overflow: hidden;
}