body { margin: 0; font-family: system-ui, sans-serif; color: #1a1d24; background: #ffffff; line-height: 1.5; }
main { max-width: 40rem; margin: 4rem auto; padding: 0 1rem; }
h1 { color: #1a1d24; }
a { color: #23467f; }
a:focus-visible { outline: 3px solid #3163b3; outline-offset: 2px; }
.nota { color: #464d58; }