iframe.player{aspect-ratio:8/7;width:256px;height:224px}@media (min-width: 576px) and (min-height: 768px){iframe.player{width:512px;height:448px}}@media (min-width: 768px) and (min-height: 992px){iframe.player{width:768px;height:672px}}@media (min-width: 1200px) and (min-height: 1440px){iframe.player{width:1024px;height:896px}}