style.css

body {
    width: 600px;
    text-align: center;
    font-size: 14px;
}

.github-link {
    width: auto;
    /* text-align: center; */
    display: flex;
    align-items: center;
    flex-direction:row;
}

.tooltip {
    position: relative;
    display: block;
}
  
.tooltip .tooltiptext {
    visibility: hidden;
    width: 170px;
    background-color:rgba(0, 0, 0, 0.8);
    color: #fff;
    word-break: keep-all;
    text-align: center;
    font-size: 9pt;
    border-radius: 10px;
    padding: 5px 0;

    position: absolute;
    z-index: 1;
}
  
.tooltip:hover .tooltiptext {
    visibility: visible;
}
.tooltip .tooltip-right {
    top: -5px;
    right: 110%;
}