.ifcontainer {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  object-fit: scale-down;
}

.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  border: none;
  object-fit: scale-down;
}