:root { font-family: system-ui, sans-serif; color: #1a242c; background: #f5f6f8; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; }
main { margin: 1.5rem; padding: 2rem; max-width: 32rem; background: #fff; border-radius: 0.75rem; }
h1 { margin-top: 0; }
a { color: #944000; }
a:focus-visible { outline: 3px solid #ff7718; outline-offset: 4px; }