body {
    background: url("/images/bg.png");
}

.group {
    width:max-content;
    text-align:center;
    margin:auto
}

.tooltip {
    visibility: hidden;
    width: auto;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    margin-top: -2%;
    margin-left: -5%;
    padding: 5px 8px 5px 8px;

    /* Position the tooltip */
    position: fixed;
    z-index: 1;
}
.tooltip::after {
    content: " ";
    position: absolute;
    bottom: 100%;  /* At the top of the tooltip */
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent black transparent;
}