.iframe-container{
  //padding-top: 56.25%;
  padding-top: 70.70%;
  min-height: 14.9cm;
  width: 100%;
  position: relative;
  iframe{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    display: block;
    width: 100%;
    height: 100%;
  }
}