table{width:100%;border-collapse:collapse;margin-top:1rem}td,th{border:1px solid #ccc;padding:.5rem;text-align:center}th{background:#f8f8f8}h1,h2{text-align:center}.nav{display:flex;gap:20px;justify-content:flex-end;padding:1rem}.link{color:#333;text-decoration:none;font-weight:700}.link:hover{color:#2563eb}html{scroll-behavior:smooth}