#preamble ul
{
    display: flex;
    justify-content: center;
    list-style-type: none;
    font-weight: bold;
    gap: 5%;
}

#preamble a
{
    text-decoration: none;
}

#postamble
{
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}