body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f6fa;
    color: #222;
}
header {
    background-color: #0a66c2;
    color: white;
    padding: 1rem;
    text-align: center;
}

.iframe-container {
    width: 100%;
    margin: 2rem auto;
    padding: 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.responsive-iframe {
    width: 100%;
    height: 80vh; 
    border: none;
}

@media (max-width: 600px) {
    .responsive-iframe {
        height: 70vh;
    }
}