.responsive-iframe-container {
position: relative;
width: 100%;
overflow: hidden;
padding-top: 56.2%; /* 16:9 Aspect Ratio (change if needed, e.g., 75% for 4:3) */
}
.responsive-iframe-container iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}