body{margin:0;background:#f5f2e9;color:#163c31;font:18px/1.65 system-ui,sans-serif}main{max-width:780px;margin:auto;padding:32px 24px}nav,footer{font-size:15px}h1{font:700 40px/1.2 Georgia,serif}h2{font-size:24px;margin-top:36px}a{color:#145e4c;text-underline-offset:3px}footer{border-top:1px solid #ccc;padding-top:24px;margin-top:40px}@media(max-width:500px){h1{font-size:32px}main{padding:24px 18px}}