.embed-responsive-1by1{aspect-ratio:1/1}.embed-responsive-1by1::before{padding-top:100.00%}.embed-responsive-3by1{aspect-ratio:3/1}.embed-responsive-3by1::before{padding-top:33.33%}.embed-responsive-4by3{aspect-ratio:4/3}.embed-responsive-4by3::before{padding-top:75.00%}.embed-responsive-48by29{aspect-ratio:48/29}.embed-responsive-48by29::before{padding-top:60.42%}.embed-responsive-8by3{aspect-ratio:8/3}.embed-responsive-8by3::before{padding-top:37.50%}