.responsive-iframe-wrapper {
  position: relative;
  width: 100%;
  height: 98vh;
}

@media (max-width: 768px) {
  .responsive-iframe-wrapper {
    height: 98vh;
  }
}

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