body { margin: 0; background: #f7f8f5; color: #18283a; font: 17px/1.7 system-ui, -apple-system, Segoe UI, sans-serif; }
main { max-width: 760px; margin: 70px auto; padding: 0 24px; }
h1, h2 { line-height: 1.2; }
a { color: #335b18; }
a:focus-visible { outline: 3px solid #86a93d; outline-offset: 3px; }