.tooltip {
        position: relative;
    }

    .tooltip .tooltiptext {
        visibility: hidden;
        /*width: 220px;*/
        background-color: black;
        color: #fff;
        text-align: center;
        border-radius: 6px;
        padding: 5px 0;
        position: absolute;
        z-index: 1;
        bottom: 100%;
     
    }

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

    .tooltip:hover .tooltiptext {
        visibility: visible;
        font-size: 11px;
        padding: 7px;
        line-height: 15px;
    }