.externalapp{border-radius:3px;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);margin:12px 52px;overflow:hidden;padding-top:56.25%;position:relative}.externalapp .iframe{bottom:0;height:100%;left:0;position:absolute;right:0;top:0;width:100%}