:root { color-scheme: light dark; font: 1rem/1.5 system-ui, sans-serif; }
main { max-width: 70ch; margin: auto; padding: 1rem; }
code.key { display: block; overflow-wrap: anywhere; user-select: all; }
pre, .wide { overflow-x: auto; }
form { display: inline; }
th, td { padding-right: 1rem; text-align: left; vertical-align: top; }