.iframe-container {
            position: relative;
            overflow: hidden;
            width: 100%;
            padding-top: 56.25%; /* 16:9 Aspect Ratio (para vídeos, ajuste conforme necessário) */
        }

        .iframe-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }