body { font-family: Arial; text-align: center; padding-top: 100px; background: #f2f2f2; }
input { padding: 0.6rem; }
button { padding: 0.6rem 1rem; background: #333; color: white; border: none; }
    
iframe {
    width: 90%;
    height: 600px;
    border: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}