.bloco-video{max-width:540px;max-height:360px;margin:24px auto;height:auto;display:block}.bloco-video__container{position:relative;padding-bottom:56.25%;padding-top:25px;height:0;margin-bottom:30px}.bloco-video__container iframe{position:absolute;top:0;left:0;width:100%;height:100%}