.embed-responsive-24by19{aspect-ratio:24/19}.embed-responsive-24by19::before{padding-top:79.17%}.embed-responsive-3by2{aspect-ratio:3/2}.embed-responsive-3by2::before{padding-top:66.67%}.embed-responsive-3by4{aspect-ratio:3/4}.embed-responsive-3by4::before{padding-top:133.33%}.embed-responsive-4by3{aspect-ratio:4/3}.embed-responsive-4by3::before{padding-top:75.00%}.embed-responsive-48by35{aspect-ratio:48/35}.embed-responsive-48by35::before{padding-top:72.92%}