html { font-family: system-ui, sans-serif; background: #f5f5f2; color: #202020; }
body { margin: 0; }
main { max-width: 720px; margin: 10vh auto; padding: 32px; }
h1 { font-size: 2.2rem; }
p { line-height: 1.6; }
nav { display: flex; gap: 20px; margin-top: 32px; }
a { color: inherit; }