* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 1em;
    display: flex;
    flex-direction: column;
    min-height: 100dvh;

    color: rgba(0, 0, 0, 0.9);
}

main {
    flex-grow: 1;
}

footer {
    color: rgba(0, 0, 0, 0.75);
}