body {
  min-height: 2000px;
  padding-top: 70px;
}

.map-responsive{
    overflow:hidden;
    padding-bottom:56.25%;
    position:relative;
    height:0;
}
.map-responsive iframe{
    left:0;
    top:0;
    height:100%;
    width:100%;
    position:absolute;
}