.na-dropdown {
  position: relative;
  display: inline-block;
}

.na-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 200;
  min-width: 12rem;
  background-color: Canvas;
  color: CanvasText;
  border: 1px solid currentColor;
}
.na-dropdown.na-open .na-dropdown-menu {
  display: block;
}