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

.tooltip .tooltiptext {
  visibility: visible;
  width: 30%;
  background-color: black;
  color: #fff;
  text-align: center;
  padding: 5px 5px;
  border-radius: 6px;
 
  position: fixed;
  z-index: 1;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}

@media only screen and (max-width: 600px) {
  .nomobile {
    visibility: none;
  }
}