body {
    margin: 0;
    padding: 0;
    font-family: "Aptos", "Segoe UI", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    background-color: #f9f9f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

main {
    padding: 2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}