.icon-wrapper {
  display: inline-block;
  position: relative;
  margin-right: 10px;
}

.icon-tooltip {
  visibility: hidden;
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 5px 10px;
  border-radius: 6px;
  position: absolute;
  z-index: 999;
  bottom: 100%;
  font-size: 10px;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
}

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