.container-iframe {
    overflow: hidden;
    /* 16:9 aspect ratio */
    padding-top: calc(56.25% + 100px);
    position: relative;
  }
  
  .responsive-iframe {
     border: 0;
     height: 100%;
     left: 0;
     position: absolute;
     top: 0;
     width: 100%;
 }

 #forms-overview {
    height: 100%;
 }

 .full-height
 {
  height: 100%;
 }

 .scroll-y {
  overflow-y: scroll;
  }