.tooltip {
  position: relative;
  display: inline-block;
}
.tooltip .tooltipText {
  visibility: hidden;
  width: 120px;
  background-color: #cccccc;
  color: black;
  text-align: center;
  border-radius: 5px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  bottom: 100%;
  left: 50%;
  margin-left: -60px;
  /*
  opacity: 0;
  transition: opacity 0.3s;
  */
}
/* Small arrow at the bottom */
.tooltip .tooltipText::after {
  /*
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent; */
}
.tooltip:hover .tooltipText {
  visibility: visible;
  cursor: pointer;
  /* opacity: 1; */
}
.tooltip .material-icons:hover {
  cursor: pointer;
}