.tooltip {
    position: relative;
    display: inline-block;
    /*border-bottom: 1px dotted black;*/
}

    .tooltip .tooltiptext {
        visibility: hidden;
        width: 200px;
        background-color: #777479;
        color: #fff;
        text-align: center;
        border-radius: 6px;
        padding: 5px 0;
        /* Position the tooltip */
        position: absolute;
        z-index: 1;
        top: -5px;
        left: 105%;
    }

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