converse-desktop/resources/css/_footer.css

 .page__footer {
    bottom: 20px;
    color: #777;
    display: flex;
    left: 50%;
    position: absolute;
    text-align: center;
    transform: translate(-50%, 0%);
 }

 .footer__version {
    font-size: 13px;
    margin-right: 30px;
 }