.embed-responsive-13by16::before{aspect-ratio:13/16}.embed-responsive-16by11::before{aspect-ratio:16/11}.embed-responsive-16by15::before{aspect-ratio:16/15}.embed-responsive-16by9::before{aspect-ratio:16/9}.embed-responsive-19by24::before{aspect-ratio:19/24}.embed-responsive-24by14::before{aspect-ratio:24/14}.embed-responsive-24by22::before{aspect-ratio:24/22}.embed-responsive-24by23::before{aspect-ratio:24/23}.embed-responsive-24by7::before{aspect-ratio:24/7}.embed-responsive-3by2::before{aspect-ratio:3/2}.embed-responsive-3by4::before{aspect-ratio:3/4}.embed-responsive-4by1::before{aspect-ratio:4/1}.embed-responsive-4by3::before{aspect-ratio:4/3}.embed-responsive-48by17::before{aspect-ratio:48/17}.embed-responsive-48by23::before{aspect-ratio:48/23}.embed-responsive-48by37::before{aspect-ratio:48/37}.embed-responsive-48by41::before{aspect-ratio:48/41}.embed-responsive-48by5::before{aspect-ratio:48/5}