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.dropdown
  button.dropdown_btn Item Label
  .dropdown_overlay
  .dropdown_body
    p body

.dropdown_btn {
  cursor: pointer;
  position: relative;
  z-index: 1001;
}

.dropdown_body {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  top: 0;
  right: 0;
  background-color: #ffffff;
  transition: opacity .2s .2s ease-out, visibility .2s .2s ease;
  z-index: 1001;
  @include media() {
    .dropdown:hover & {
      opacity: 1;
      visibility: visible;
    }
  }
}

.dropdown_overlay {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.5);
  z-index: 1000;
  transition: opacity .2s .2s ease-out, visibility .2s .2s ease;
  pointer-events: none;
  @include media() {
    .dropdown:hover & {
      opacity: 1;
      visibility: visible;
    }
  }
}