body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    width: 100%;
    margin: 0;
    padding: 0;
}

h1, h2 {
    color: #333;
}

.iframe-container {
    margin-bottom: 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    width: 19%;
    display: inline-block;
}

.iframe-container h2 {
    background-color: #f5f5f5;
    margin: 0;
    padding: 10px 15px;
    border-bottom: 1px solid #ddd;
    font-size: 1.2rem;
}

iframe {
    width: 100%;
    height: 800px;
    border: none;
    display: block;
}