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

section.images {
display: flex;
justify-content: space-around;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1.0rem; }
h1, h2, h3, h4, h5, h6 {
margin-block: .5em;
}

img.big {
block-size: 4em;
}
img.inline {
    block-size: 1.5em;
    vertical-align: middle;
}

ul {
padding-inline-start: 1.25em;
}

.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; }
}