body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}

.iframe-wrapper {
    position: relative;
    width: 30%;
    padding-bottom: 16.875%;
    /* 16:9 aspect ratio */
    margin: 10px;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

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

@media (max-width: 768px) {
    .iframe-wrapper {
        width: 45%;
    }
}

@media (max-width: 480px) {
    .iframe-wrapper {
        width: 100%;
    }
}