body{max-width:760px;margin:4rem auto;padding:0 1rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#202124;background:#fff}
main{line-height:1.55}
h1{font-size:2rem;margin-bottom:.5rem}
h2{font-size:1.2rem;margin-top:2rem}
img{max-width:100%;margin-top:1rem;border:1px solid #ddd;border-radius:8px}