.embed-responsive-1by1::before{padding-top:100.00%}.embed-responsive-16by11::before{padding-top:68.75%}.embed-responsive-16by9::before{padding-top:56.25%}.embed-responsive-24by17::before{padding-top:70.83%}.embed-responsive-3by2::before{padding-top:66.67%}.embed-responsive-4by3::before{padding-top:75.00%}