.iframe-wrap {
  position: relative;
  width: 100%;
/*  padding-top: 56.25%;*/
  padding-top: 125%;
/*  overflow:auto; */
  -webkit-overflow-scrolling:touch;
/*  border:2px solid #ccc; */
}
.iframe-wrap iframe {
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:115%;
    border:none;
    display:block;
}