main { max-width: 46rem; margin: 2rem auto; padding: 0 1rem; line-height: 1.55; }
h2 { margin-top: 2.4rem; }
.live { font-variant-numeric: tabular-nums; font-weight: 600; }
.cmd { display: block; padding: .5rem .7rem; margin: .5rem 0 1rem;
       border-left: 3px solid currentColor; opacity: .85;
       font-family: ui-monospace, monospace; font-size: .9em; white-space: pre-wrap; }
.caveat { opacity: .8; font-style: italic; }
footer { margin: 3rem 0 1rem; opacity: .7; font-size: .9em; }