.nav-item {
  position: relative;
  list-style: none;
}

.simple-dropdown {
  background: #ffffff;
  min-width: 100px;
}

.simple-dropdown li a {
  display: block;

  color: #000;
  text-decoration: none;
}

.simple-dropdown li a:hover {
  background: #f2f2f2;
}

/* SHOW ON HOVER */
.nav-item:hover .simple-dropdown {
  display: block;
}