.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-4by3{aspect-ratio:4/3}.embed-responsive-4by3::before{padding-top:75.00%}.embed-responsive-48by13{aspect-ratio:48/13}.embed-responsive-48by13::before{padding-top:27.08%}.embed-responsive-48by19{aspect-ratio:48/19}.embed-responsive-48by19::before{padding-top:39.58%}