.center {
    display: grid;
    justify-content: center;
    align-items: center;
}

a:link {
    color: #222;
    background-color: transparent;
    text-decoration: none;
}

a:hover {
    color: whitesmoke !important;
    background-color: transparent;
}

a:visited {
    color: #222;
    background-color: transparent;
    text-decoration: none;
}