body {
    text-align: center;
    background-color: #f2f2f2;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

h1, h2, h3 {
    margin: 10px 0;
    font-weight: 600;
}

.iframe-container {
    position: relative;
    width: 80%;
    max-width: 800px;
    padding-bottom: 45%;
    height: 0;
    margin: 30px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    overflow: hidden;
    background: white;
}

.iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}