dropdown.css

.navbar-dropdown {
  left: 0;
  padding: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: all 0.45s ease;
  z-index: 1030;
  background: #282828
}

.navbar-dropdown .navbar-logo {
  margin-right: 0.8rem;
  transition: margin 0.3s ease-in-out;
  vertical-align: middle
}

.navbar-dropdown .navbar-logo img {
  height: 3.125rem;
  transition: all 0.3s ease-in-out
}

.navbar-dropdown.navbar-fixed-top {
  position: fixed
}

.navbar-dropdown .navbar-icon span {
  vertical-align: -4px
}

.nav-dropdown {
  font-size: 0.75rem;
  font-weight: 500;
  height: auto !important
}

.nav-dropdown .link {
  margin: .667em 1.667em;
  font-weight: 500;
  padding: 0;
  transition: color .2s ease-in-out
}

.nav-dropdown .link.dropdown-toggle::after {
  margin-left: .25rem;
  border-top: 0 solid;
  border-right: 0 solid transparent;
  border-left: 0 solid transparent;
  border-bottom: 0
}

.nav-dropdown .link.dropdown-toggle[aria-expanded="true"] {
  margin: 0;
  padding: 0.667em 3.263em 0.667em 1.667em
}

.nav-dropdown .link::after,
.nav-dropdown .dropdown-item::after {
  color: inherit
}

.nav-dropdown .dropdown-item::after {
  margin-top: -0.3077em;
  position: absolute;
  right: 1.1538em;
  top: 50%
}

.nav-dropdown .dropdown-item:focus,
.nav-dropdown .dropdown-item:hover {
  background: none
}