body {
    font-family: sans-serif;

    height: 100vh;

    display: grid;
    justify-items: center;
    align-content: center;
    gap: 2em;

    background-color: #ebe8ee;
}

main, footer {
    background-color: #edebef;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 0 10px 1px rgb(0 0 0 / 0.1);
}

footer {
    display: flex;
    gap: 1em;
}

footer:empty {
    display: none;
}