.attribute-tooltip {
  position: relative;
  display: inline-block;
  margin-right: 10px;
  cursor: pointer;
}

.attribute-tooltip .tooltiptext {
  visibility: hidden;
  width: 200px;
  background-color: #333;
  color: #fff;
  text-align: left;
  padding: 6px;
  border-radius: 4px;
  position: absolute;
  z-index: 100;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s;
}

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