.tooltip {
    position: relative;
    display: inline-block;
    padding: 4px;
    border: 1px solid black;
    border-radius: 4px;
    background-color: #ddd;
    margin: 0 2vmin 0 0;

}

    .tooltip .tooltiptext {
        font-size: 3vmin;
        width: 30vmin;
        background-color: grey;
        color: #fff;
        text-align: center;
        border-radius: 6px;
        padding: 5px 0;
        position: absolute;
        z-index: 1;
        bottom: 150%;
        left: 50%;
        margin-left: -15vmin;
        opacity: 0;
        float: left;
        transition: opacity 0.4s ease-in;
    }

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

.tooltipIcon {
    float: left;
    width: 4vmin;
    height: 4vmin;
    opacity: 0.9;
    transition: opacity 0.3s ease-in;
    cursor:pointer;
}