html,
body {
    font-family: sans-serif;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

footer {
    text-align: center;
    font-weight: bold;
    font-size: 11px;
    margin-top: auto;
}

.uc {
    clear: both;
    width: 512px;
    height: 512px;
}