.embed-responsive-1by1{aspect-ratio:1/1}.embed-responsive-1by1::before{padding-top:100.00%}.embed-responsive-16by7{aspect-ratio:16/7}.embed-responsive-16by7::before{padding-top:43.75%}.embed-responsive-24by14{aspect-ratio:24/14}.embed-responsive-24by14::before{padding-top:58.33%}.embed-responsive-24by19{aspect-ratio:24/19}.embed-responsive-24by19::before{padding-top:79.17%}