.embed-responsive-1by1{aspect-ratio:1/1}.embed-responsive-1by1::before{padding-top:100.00%}.embed-responsive-17by24{aspect-ratio:17/24}.embed-responsive-17by24::before{padding-top:141.18%}.embed-responsive-24by17{aspect-ratio:24/17}.embed-responsive-24by17::before{padding-top:70.83%}.embed-responsive-3by2{aspect-ratio:3/2}.embed-responsive-3by2::before{padding-top:66.67%}.embed-responsive-48by43{aspect-ratio:48/43}.embed-responsive-48by43::before{padding-top:89.58%}