.dropdown {
  position: relative;
  display: inline-block;
  color: #fff;
}

.dropdown-toggle {
  padding: 10px;
  border-bottom: 1px solid #ccc;
  cursor: pointer;
}

.dropdown .dropdown-toggle i {
  transition: .5s;
}

.dropdown.open .dropdown-toggle i {
  transform: rotate(180deg);
}

.dropdown-menu {
  display: none;
  position: absolute;
  box-shadow: 0 2px 10px 0 rgba(18, 18, 18, .15);
  max-height: 200px;
  overflow-y: auto;
  z-index: 1;
  min-width: 100%;
  box-sizing: border-box;
  margin-top: -1px;
}

.dropdown-menu ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  background: #fff;
  color: #333;
}

.dropdown-menu li {
  padding: 10px;
  cursor: pointer;
  transition: .3s;
}

.dropdown-menu li:hover {
  background-color: var(--vi-color);
  color: #fff;
}

.dropdown-menu .mCSB_scrollTools .mCSB_dragger .mCSB_dragger_bar {
  width: 3px;
  -webkit-border-radius: 0;
  border-radius: 0;
  background: #0001aa;
}

.dropdown-menu .mCSB_scrollTools .mCSB_draggerRail {
  width: 1px;
  background: #ccc;
}

.dropdown-menu .mCSB_inside>.mCSB_container {
  margin-right: 3px;
}

.dropdown-menu .mCSB_scrollTools .mCSB_draggerRail {
  width: 3px;
}

.dropdown-menu .mCSB_scrollTools {
  width: 3px;
}