html {
    font-family: DejaVu Sans Mono, monospace;
}

img.inline {
    block-size: 1.5em;
    vertical-align: middle;
}

.columns {
    display: grid;
    grid-template-columns: 1fr;
}

@media (width > 80ch) {
    .columns { grid-template-columns: 2fr 1fr; }
    aside { order: 2; }
    main { order: 1; }
}

@media print {
    @page { size: A4; }
    html { font-size: 4mm; }
    .columns { grid-template-columns: 2fr 1fr; }
    aside { order: 2; }
    main { order: 1; }
}