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

    /* Tooltip text */
    .tooltip .tooltiptext {
        visibility: hidden;
        width: 250px;
        left:10px;
        background-color: white;
        border-color: black;
        border: 2px solid black;
        color: black;
        text-align: center;
        padding: 5px 0;
        border-radius: 6px;
        /* Position the tooltip text - see examples below! */
        position: absolute;
        z-index: 1;
    }

/* Show the tooltip text when you mouse over the tooltip container */
.icon-help-outline:hover + .tooltiptext {
    visibility: visible;
}