.tooltip {
    display: inline-block;
    position: relative;
}

.tooltip .tooltip-content {
  position: absolute;
  visibility: hidden;
  opacity: 0;
  width: auto;
  background-color: #242424;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  transition: opacity 0.3s;
}

.tooltip .tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #242424 transparent transparent transparent;
}

.tooltip:hover .tooltip-content {
  visibility: visible;
  opacity: 1;
}