body{max-width:44rem;margin:0 auto;padding:2.5rem 1.2rem;font:16px/1.65 system-ui,sans-serif;color:#1f2a1f;background:#f4f6f0}h1{margin:0 0 .4rem}.lead{color:#556}h2{margin-top:2rem;font-size:1.2rem}footer{margin-top:3rem;color:#889;font-size:.85rem}