body{max-width:48rem;margin:4rem auto;padding:0 1.5rem;
font:18px/1.8 system-ui,sans-serif;color:#283238;background:#faf9f5}header{border-bottom:1px solid #ccd3cc}
h1{font-size:2rem}h2{font-size:1.25rem}article{margin:2.5rem 0}footer{font-size:.85rem;color:#607069}