html {
    font-family: system-ui, Arial, sans-serif;
    font-size: 150%;
    max-width: 60ch;
    margin-inline: auto;
}

pre, code {
    font-family: ui-monospace, "Cascadia Code", monospace;
    white-space: pre-wrap;
}

#skipnav {
    display: block;
    position: absolute;
    inset-block-start: -2em;
}

#skipnav:focus {
    position: static;
    inset-block-start: auto;
}

body > header, body> footer {
    display: none;
}

figcaption {
    text-align: center;
    font-weight: bold;
}