body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f4f4f4}header{background:#333;color:#fff;padding:1rem;text-align:center}section{padding:1rem;margin:2rem 0;background:#fff;box-shadow:0 0 10px #0000001a}h2{border-bottom:2px solid #333;padding-bottom:.5rem}