:root{color-scheme:light;font-family:system-ui,sans-serif;color:#18302d;background:#f7f7f3}body{margin:0}main{max-width:760px;margin:0 auto;padding:48px 24px 72px}h1{font-size:2.4rem;line-height:1.15}h2{margin-top:2rem;font-size:1.3rem}p{line-height:1.7}a{color:#126650;text-underline-offset:3px}nav{margin-top:2rem;line-height:2}