body { font-family: system-ui, sans-serif; max-width: 42rem; margin: 2rem auto; padding: 0 1rem; line-height: 1.55; color: #111; }
h1 { font-size: 1.5rem; }
p, li { color: #333; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 1; background: #fff; padding: 0.5rem; }