.popup-menu {
  display: inline-block;
  margin-right: auto;
  position: relative;
}

.popup-menu-toggle {
  color: #9a9a9a;
  display: inline-block;
  padding: 0.5rem;
  text-decoration: none;
}

.popup-menu-wrapper {
  display: none;
}

.popup-menu-wrapper.is-open {
  display: block;
}

.popup-menu-panel {
 background-color: #ffffffb8;
    box-shadow: 0 3px 8px 0 rgba(0, 0, 0, 0.12);
    position: absolute;
    left: 0;
    top: -3px;
    opacity: 0;
    margin-left: -26px;
    min-width: 300px;
}

.popup-menu-list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
}

.popup-menu-item {
  padding: 0.5rem 1rem;
}

.popup-menu-item a {
  color: inherit;
  display: inline-block;
  text-decoration: none;
  width: 100%;
}

.popup-menu-item a:hover {
  opacity: 0.65;
}

/**************************************
 * Animation
 **************************************/

.popup-menu-wrapper.is-open .popup-menu-panel {
  animation: fadeIn 300ms ease-in-out forwards;
}

.popup-menu-wrapper.is-closing .popup-menu-panel {
  animation: fadeOut 300ms ease-in-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}