body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

.footer {
    font-size: small;
    width:100%;
    text-align: center;
}

dl {
    min-width: 250px;
    overflow: auto;
    padding: 0;
    margin: 0;
}

dt {
    float: left;
    font-weight: bold;
    margin-right: 0.5em;
}

dt::after {
    content: ": ";
}

dd::after {
    clear: left;
    content: " ";
    display: block;
}