video{max-width:100%;height:auto}iframe,embed,object{max-width:100%}.auto-video{padding:2%;margin-bottom:2em}.unsupported{background:#fddfde}.full-video{position:relative;padding-bottom:56.25%;padding-top:25px;height:0}.full-video iframe{position:absolute;top:0;left:0;width:100%;height:100%}