.embed-responsive-1by1{aspect-ratio:1/1}.embed-responsive-1by1::before{padding-top:100.00%}.embed-responsive-16by15{aspect-ratio:16/15}.embed-responsive-16by15::before{padding-top:93.75%}.embed-responsive-16by9{aspect-ratio:16/9}.embed-responsive-16by9::before{padding-top:56.25%}.embed-responsive-48by31{aspect-ratio:48/31}.embed-responsive-48by31::before{padding-top:64.58%}.embed-responsive-48by41{aspect-ratio:48/41}.embed-responsive-48by41::before{padding-top:85.42%}