Tooltip

.tooltip {
  display: block;
  position: relative;
  width: auto;
  height: auto;
  margin: 5rem auto auto;
  padding: 1rem;
  border: 1px solid #333;
  text-decoration: none;
  border-radius: 5px;
  transition: transform var(--ease-out-cubic) .3s;
}
.tooltip::before {
  content: "";
  width: 0;
  height: 0;
  border: 1px solid #333;
  border-style: solid;
  border-width: .375rem;
}
.tooltip::after {
  content: attr(aria-label);
  height: 1.5625rem;
  padding: 0 .625rem;
  border: 1px solid #333;
  background: #333;
  text-align: center;
  line-height: 3rem;
  font-family: var(--base-font);
  font-size: .9rem;
  white-space: nowrap;
  color: var(--white);
  border-radius: .5rem;
}
.tooltip::before, .tooltip::after {
  position: absolute;
  bottom: 93%;
  left: -2000px;
  z-index: 6;
  height: 3rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  transition: opacity .5s ease-in-out, bottom .5s ease-in-out;
}
.tooltip::before {
  top: -1.5rem;
  width: 0;
  height: 0;
  margin-bottom: .0625rem;
  border-top: 17px #333 solid;
  border-right: 10px transparent solid;
  border-bottom: 0 transparent solid;
  border-left: 10px transparent solid;
  border-style: solid;
}
.tooltip:hover::before, .tooltip:focus::before {
  transition: opacity .3s;
}
.tooltip:hover::after, .tooltip:focus::after {
  transition: opacity .15s ease-out;
}
.tooltip:hover::before, .tooltip:focus::before, .tooltip:hover::after, .tooltip:focus::after {
  left: 50%;
  opacity: 1;
  transform: translateX(-50%);
}
.tooltip > .icon {
  font-size: calc(var(--font-size-l4));
}