body{font-family:system-ui,-apple-system,sans-serif;max-width:46rem;margin:0 auto;padding:1rem 2rem;color:#172033;line-height:1.6}header nav{display:flex;gap:1rem;align-items:center;border-bottom:1px solid #e5e9f0;padding:.8rem 0}main{padding:2rem 0}footer{border-top:1px solid #e5e9f0;margin-top:2rem;padding-top:1rem;color:#526072}a{color:#0b5fff}